Auto merge of #50893 - kennytm:rollup, r=kennytm
Rollup of 8 pull requests Successful merges: - #50531 (Cleanup uses of TypeIdHasher and replace them with StableHasher) - #50819 (Fix potential divide by zero) - #50827 (Update LLVM to 56c931901cfb85cd6f7ed44c7d7520a8de1edf97) - #50829 (CheckLoopVisitor: also visit break expressions) - #50854 (in which the unused shorthand field pattern debacle/saga continues) - #50858 (Reorder description for snippets in rustdoc documentation) - #50883 (Fix warning when building stage0 libcore) - #50889 (Update clippy) Failed merges:
This commit is contained in:
bors
commit
3ea2491589
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@ -288,12 +288,12 @@ dependencies = [
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[[package]]
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name = "clippy"
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version = "0.0.200"
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version = "0.0.202"
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dependencies = [
|
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"ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"cargo_metadata 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
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"clippy-mini-macro-test 0.2.0",
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"clippy_lints 0.0.200",
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"clippy_lints 0.0.202",
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||||
"compiletest_rs 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
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"derive-new 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
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"lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
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|
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@ -311,6 +311,27 @@ version = "0.2.0"
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[[package]]
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name = "clippy_lints"
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version = "0.0.200"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
|
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"cargo_metadata 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
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"if_chain 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
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||||
"itertools 0.7.8 (registry+https://github.com/rust-lang/crates.io-index)",
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"lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"matches 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"pulldown-cmark 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"quine-mc_cluskey 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"regex-syntax 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
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"serde 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde_derive 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
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"toml 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
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"unicode-normalization 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"url 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "clippy_lints"
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version = "0.0.202"
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dependencies = [
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"cargo_metadata 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
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"if_chain 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -1624,7 +1645,7 @@ version = "0.128.0"
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dependencies = [
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"cargo 0.29.0",
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"cargo_metadata 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
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"clippy_lints 0.0.200",
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"clippy_lints 0.0.200 (registry+https://github.com/rust-lang/crates.io-index)",
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"env_logger 0.5.8 (registry+https://github.com/rust-lang/crates.io-index)",
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"failure 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"json 0.11.13 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -2978,6 +2999,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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"checksum cfg-if 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "d4c819a1287eb618df47cc647173c5c4c66ba19d888a6e50d605672aed3140de"
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"checksum chrono 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ba5f60682a4c264e7f8d77b82e7788938a76befdf949d4a98026d19099c9d873"
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"checksum clap 2.31.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f0f16b89cbb9ee36d87483dc939fe9f1e13c05898d56d7b230a0d4dff033a536"
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"checksum clippy_lints 0.0.200 (registry+https://github.com/rust-lang/crates.io-index)" = "d2432663f6bdb90255dcf9df5ca504f99b575bb471281591138f62f9d31f863b"
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"checksum cmake 0.1.30 (registry+https://github.com/rust-lang/crates.io-index)" = "5cf678ceebedde428000cb3a34465cf3606d1a48da17014948a916deac39da7c"
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"checksum colored 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b0aa3473e85a3161b59845d6096b289bb577874cafeaf75ea1b1beaa6572c7fc"
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"checksum commoncrypto 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d056a8586ba25a1e4d61cb090900e495952c7886786fc55f909ab2f819b69007"
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|
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@ -64,4 +64,3 @@ cargo = { path = "tools/cargo" }
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# RLS depends on `rustfmt` from crates.io, so we put this in a `[patch]` section
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# for crates.io
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rustfmt-nightly = { path = "tools/rustfmt" }
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clippy_lints = { path = "tools/clippy/clippy_lints" }
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@ -268,10 +268,10 @@ not actually pass as a test.
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# fn foo() {}
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```
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`compile_fail` tells `rustdoc` that the compilation should fail. If it
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compiles, then the test will fail. However please note that code failing
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with the current Rust release may work in a future release, as new features
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are added.
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The `no_run` attribute will compile your code, but not run it. This is
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important for examples such as "Here's how to retrieve a web page,"
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which you would want to ensure compiles, but might be run in a test
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environment that has no network access.
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```text
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/// ```compile_fail
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@ -280,7 +280,7 @@ are added.
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/// ```
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```
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The `no_run` attribute will compile your code, but not run it. This is
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important for examples such as "Here's how to retrieve a web page,"
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which you would want to ensure compiles, but might be run in a test
|
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environment that has no network access.
|
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`compile_fail` tells `rustdoc` that the compilation should fail. If it
|
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compiles, then the test will fail. However please note that code failing
|
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with the current Rust release may work in a future release, as new features
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are added.
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@ -1698,6 +1698,7 @@ impl<T> [T] {
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}
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/// Function to calculate lenghts of the middle and trailing slice for `align_to{,_mut}`.
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#[cfg(not(stage0))]
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fn align_to_offsets<U>(&self) -> (usize, usize) {
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// What we gonna do about `rest` is figure out what multiple of `U`s we can put in a
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// lowest number of `T`s. And how many `T`s we need for each such "multiple".
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@ -132,7 +132,7 @@ for ty::RegionKind {
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ty::ReLateBound(..) |
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ty::ReVar(..) |
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ty::ReSkolemized(..) => {
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bug!("TypeIdHasher: unexpected region {:?}", *self)
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bug!("StableHasher: unexpected region {:?}", *self)
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}
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}
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}
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|
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@ -117,6 +117,7 @@ use std::io::prelude::*;
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use std::io;
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use std::rc::Rc;
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use syntax::ast::{self, NodeId};
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use syntax::ptr::P;
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use syntax::symbol::keywords;
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use syntax_pos::Span;
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@ -398,22 +399,7 @@ fn visit_fn<'a, 'tcx: 'a>(ir: &mut IrMaps<'a, 'tcx>,
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lsets.warn_about_unused_args(body, entry_ln);
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}
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fn visit_local<'a, 'tcx>(ir: &mut IrMaps<'a, 'tcx>, local: &'tcx hir::Local) {
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local.pat.each_binding(|_, p_id, sp, path1| {
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debug!("adding local variable {}", p_id);
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let name = path1.node;
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ir.add_live_node_for_node(p_id, VarDefNode(sp));
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ir.add_variable(Local(LocalInfo {
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id: p_id,
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name,
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is_shorthand: false,
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}));
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});
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intravisit::walk_local(ir, local);
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}
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fn visit_arm<'a, 'tcx>(ir: &mut IrMaps<'a, 'tcx>, arm: &'tcx hir::Arm) {
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for mut pat in &arm.pats {
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fn add_from_pat<'a, 'tcx>(ir: &mut IrMaps<'a, 'tcx>, pat: &P<hir::Pat>) {
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// For struct patterns, take note of which fields used shorthand
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// (`x` rather than `x: x`).
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//
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@ -453,17 +439,25 @@ fn visit_arm<'a, 'tcx>(ir: &mut IrMaps<'a, 'tcx>, arm: &'tcx hir::Arm) {
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}
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}
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pat.each_binding(|bm, p_id, _sp, path1| {
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debug!("adding local variable {} from match with bm {:?}",
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p_id, bm);
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pat.each_binding(|_bm, p_id, _sp, path1| {
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let name = path1.node;
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ir.add_live_node_for_node(p_id, VarDefNode(path1.span));
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ir.add_variable(Local(LocalInfo {
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id: p_id,
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name: name,
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name,
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is_shorthand: shorthand_field_ids.contains(&p_id)
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}));
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})
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});
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}
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fn visit_local<'a, 'tcx>(ir: &mut IrMaps<'a, 'tcx>, local: &'tcx hir::Local) {
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add_from_pat(ir, &local.pat);
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intravisit::walk_local(ir, local);
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}
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fn visit_arm<'a, 'tcx>(ir: &mut IrMaps<'a, 'tcx>, arm: &'tcx hir::Arm) {
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for pat in &arm.pats {
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add_from_pat(ir, pat);
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}
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intravisit::walk_arm(ir, arm);
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}
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|
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@ -15,10 +15,8 @@ use hir::def_id::DefId;
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use hir::map::{DefPathData, Node};
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use hir;
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use ich::NodeIdHashingMode;
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use middle::const_val::ConstVal;
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use traits::{self, ObligationCause};
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use ty::{self, Ty, TyCtxt, GenericParamDefKind, TypeFoldable};
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use ty::fold::TypeVisitor;
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use ty::subst::{Substs, UnpackedKind};
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use ty::maps::TyCtxtAt;
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use ty::TypeVariants::*;
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@ -26,12 +24,9 @@ use ty::layout::{Integer, IntegerExt};
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use util::common::ErrorReported;
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use middle::lang_items;
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use rustc_data_structures::stable_hasher::{StableHasher, StableHasherResult,
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HashStable};
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use rustc_data_structures::stable_hasher::{StableHasher, HashStable};
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use rustc_data_structures::fx::FxHashMap;
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use std::{cmp, fmt};
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use std::hash::Hash;
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use std::intrinsics;
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use syntax::ast;
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use syntax::attr::{self, SignedInt, UnsignedInt};
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use syntax_pos::{Span, DUMMY_SP};
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|
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@ -615,150 +610,6 @@ impl<'a, 'gcx, 'tcx> TyCtxt<'a, 'gcx, 'tcx> {
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}
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}
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|
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pub struct TypeIdHasher<'a, 'gcx: 'a+'tcx, 'tcx: 'a, W> {
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tcx: TyCtxt<'a, 'gcx, 'tcx>,
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state: StableHasher<W>,
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}
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|
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impl<'a, 'gcx, 'tcx, W> TypeIdHasher<'a, 'gcx, 'tcx, W>
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where W: StableHasherResult
|
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{
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pub fn new(tcx: TyCtxt<'a, 'gcx, 'tcx>) -> Self {
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TypeIdHasher { tcx: tcx, state: StableHasher::new() }
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}
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|
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pub fn finish(self) -> W {
|
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self.state.finish()
|
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}
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pub fn hash<T: Hash>(&mut self, x: T) {
|
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x.hash(&mut self.state);
|
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}
|
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|
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fn hash_discriminant_u8<T>(&mut self, x: &T) {
|
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let v = unsafe {
|
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intrinsics::discriminant_value(x)
|
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};
|
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let b = v as u8;
|
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assert_eq!(v, b as u64);
|
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self.hash(b)
|
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}
|
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|
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fn def_id(&mut self, did: DefId) {
|
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// Hash the DefPath corresponding to the DefId, which is independent
|
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// of compiler internal state. We already have a stable hash value of
|
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// all DefPaths available via tcx.def_path_hash(), so we just feed that
|
||||
// into the hasher.
|
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let hash = self.tcx.def_path_hash(did);
|
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self.hash(hash);
|
||||
}
|
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}
|
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|
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impl<'a, 'gcx, 'tcx, W> TypeVisitor<'tcx> for TypeIdHasher<'a, 'gcx, 'tcx, W>
|
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where W: StableHasherResult
|
||||
{
|
||||
fn visit_ty(&mut self, ty: Ty<'tcx>) -> bool {
|
||||
// Distinguish between the Ty variants uniformly.
|
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self.hash_discriminant_u8(&ty.sty);
|
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|
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match ty.sty {
|
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TyInt(i) => self.hash(i),
|
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TyUint(u) => self.hash(u),
|
||||
TyFloat(f) => self.hash(f),
|
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TyArray(_, n) => {
|
||||
self.hash_discriminant_u8(&n.val);
|
||||
match n.val {
|
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ConstVal::Value(alloc) => self.hash(alloc),
|
||||
ConstVal::Unevaluated(def_id, _) => self.def_id(def_id),
|
||||
}
|
||||
}
|
||||
TyRawPtr(m) => self.hash(m.mutbl),
|
||||
TyRef(_, _, mutbl) => self.hash(mutbl),
|
||||
TyClosure(def_id, _) |
|
||||
TyGenerator(def_id, _, _) |
|
||||
TyAnon(def_id, _) |
|
||||
TyFnDef(def_id, _) => self.def_id(def_id),
|
||||
TyAdt(d, _) => self.def_id(d.did),
|
||||
TyForeign(def_id) => self.def_id(def_id),
|
||||
TyFnPtr(f) => {
|
||||
self.hash(f.unsafety());
|
||||
self.hash(f.abi());
|
||||
self.hash(f.variadic());
|
||||
self.hash(f.inputs().skip_binder().len());
|
||||
}
|
||||
TyDynamic(ref data, ..) => {
|
||||
if let Some(p) = data.principal() {
|
||||
self.def_id(p.def_id());
|
||||
}
|
||||
for d in data.auto_traits() {
|
||||
self.def_id(d);
|
||||
}
|
||||
}
|
||||
TyGeneratorWitness(tys) => {
|
||||
self.hash(tys.skip_binder().len());
|
||||
}
|
||||
TyTuple(tys) => {
|
||||
self.hash(tys.len());
|
||||
}
|
||||
TyParam(p) => {
|
||||
self.hash(p.idx);
|
||||
self.hash(p.name);
|
||||
}
|
||||
TyProjection(ref data) => {
|
||||
self.def_id(data.item_def_id);
|
||||
}
|
||||
TyNever |
|
||||
TyBool |
|
||||
TyChar |
|
||||
TyStr |
|
||||
TySlice(_) => {}
|
||||
|
||||
TyError |
|
||||
TyInfer(_) => bug!("TypeIdHasher: unexpected type {}", ty)
|
||||
}
|
||||
|
||||
ty.super_visit_with(self)
|
||||
}
|
||||
|
||||
fn visit_region(&mut self, r: ty::Region<'tcx>) -> bool {
|
||||
self.hash_discriminant_u8(r);
|
||||
match *r {
|
||||
ty::ReErased |
|
||||
ty::ReStatic |
|
||||
ty::ReEmpty => {
|
||||
// No variant fields to hash for these ...
|
||||
}
|
||||
ty::ReCanonical(c) => {
|
||||
self.hash(c);
|
||||
}
|
||||
ty::ReLateBound(db, ty::BrAnon(i)) => {
|
||||
self.hash(db.depth);
|
||||
self.hash(i);
|
||||
}
|
||||
ty::ReEarlyBound(ty::EarlyBoundRegion { def_id, .. }) => {
|
||||
self.def_id(def_id);
|
||||
}
|
||||
|
||||
ty::ReClosureBound(..) |
|
||||
ty::ReLateBound(..) |
|
||||
ty::ReFree(..) |
|
||||
ty::ReScope(..) |
|
||||
ty::ReVar(..) |
|
||||
ty::ReSkolemized(..) => {
|
||||
bug!("TypeIdHasher: unexpected region {:?}", r)
|
||||
}
|
||||
}
|
||||
false
|
||||
}
|
||||
|
||||
fn visit_binder<T: TypeFoldable<'tcx>>(&mut self, x: &ty::Binder<T>) -> bool {
|
||||
// Anonymize late-bound regions so that, for example:
|
||||
// `for<'a, b> fn(&'a &'b T)` and `for<'a, b> fn(&'b &'a T)`
|
||||
// result in the same TypeId (the two types are equivalent).
|
||||
self.tcx.anonymize_late_bound_regions(x).super_visit_with(self)
|
||||
}
|
||||
}
|
||||
|
||||
impl<'a, 'tcx> ty::TyS<'tcx> {
|
||||
pub fn moves_by_default(&'tcx self,
|
||||
tcx: TyCtxt<'a, 'tcx, 'tcx>,
|
||||
|
|
|
|||
|
|
@ -127,8 +127,12 @@ impl LlvmType for Reg {
|
|||
impl LlvmType for CastTarget {
|
||||
fn llvm_type(&self, cx: &CodegenCx) -> Type {
|
||||
let rest_ll_unit = self.rest.unit.llvm_type(cx);
|
||||
let rest_count = self.rest.total.bytes() / self.rest.unit.size.bytes();
|
||||
let rem_bytes = self.rest.total.bytes() % self.rest.unit.size.bytes();
|
||||
let (rest_count, rem_bytes) = if self.rest.unit.size.bytes() == 0 {
|
||||
(0, 0)
|
||||
} else {
|
||||
(self.rest.total.bytes() / self.rest.unit.size.bytes(),
|
||||
self.rest.total.bytes() % self.rest.unit.size.bytes())
|
||||
};
|
||||
|
||||
if self.prefix.iter().all(|x| x.is_none()) {
|
||||
// Simplify to a single unit when there is no prefix and size <= unit size
|
||||
|
|
|
|||
|
|
@ -23,12 +23,11 @@ use llvm::{self, ValueRef};
|
|||
use llvm::debuginfo::{DIType, DIFile, DIScope, DIDescriptor,
|
||||
DICompositeType, DILexicalBlock, DIFlags};
|
||||
|
||||
use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
|
||||
use rustc::hir::CodegenFnAttrFlags;
|
||||
use rustc::hir::def::CtorKind;
|
||||
use rustc::hir::def_id::{DefId, CrateNum, LOCAL_CRATE};
|
||||
use rustc::ty::fold::TypeVisitor;
|
||||
use rustc::ty::util::TypeIdHasher;
|
||||
use rustc::ich::Fingerprint;
|
||||
use rustc::ich::{Fingerprint, NodeIdHashingMode};
|
||||
use rustc::ty::Instance;
|
||||
use common::CodegenCx;
|
||||
use rustc::ty::{self, AdtKind, ParamEnv, Ty, TyCtxt};
|
||||
|
|
@ -144,9 +143,15 @@ impl<'tcx> TypeMap<'tcx> {
|
|||
|
||||
// The hasher we are using to generate the UniqueTypeId. We want
|
||||
// something that provides more than the 64 bits of the DefaultHasher.
|
||||
let mut type_id_hasher = TypeIdHasher::<Fingerprint>::new(cx.tcx);
|
||||
type_id_hasher.visit_ty(type_);
|
||||
let unique_type_id = type_id_hasher.finish().to_hex();
|
||||
let mut hasher = StableHasher::<Fingerprint>::new();
|
||||
let mut hcx = cx.tcx.create_stable_hashing_context();
|
||||
let type_ = cx.tcx.erase_regions(&type_);
|
||||
hcx.while_hashing_spans(false, |hcx| {
|
||||
hcx.with_node_id_hashing_mode(NodeIdHashingMode::HashDefPath, |hcx| {
|
||||
type_.hash_stable(hcx, &mut hasher);
|
||||
});
|
||||
});
|
||||
let unique_type_id = hasher.finish().to_hex();
|
||||
|
||||
let key = self.unique_id_interner.intern(&unique_type_id);
|
||||
self.type_to_unique_id.insert(type_, UniqueTypeId(key));
|
||||
|
|
|
|||
|
|
@ -97,18 +97,19 @@
|
|||
//! virtually impossible. Thus, symbol hash generation exclusively relies on
|
||||
//! DefPaths which are much more robust in the face of changes to the code base.
|
||||
|
||||
use rustc::middle::weak_lang_items;
|
||||
use rustc_mir::monomorphize::Instance;
|
||||
use rustc_mir::monomorphize::item::{MonoItem, MonoItemExt, InstantiationMode};
|
||||
use rustc::hir::def_id::{DefId, LOCAL_CRATE};
|
||||
use rustc::hir::map as hir_map;
|
||||
use rustc::ty::{self, Ty, TyCtxt, TypeFoldable};
|
||||
use rustc::ty::fold::TypeVisitor;
|
||||
use rustc::hir::map::definitions::DefPathData;
|
||||
use rustc::ich::NodeIdHashingMode;
|
||||
use rustc::middle::weak_lang_items;
|
||||
use rustc::ty::item_path::{self, ItemPathBuffer, RootMode};
|
||||
use rustc::ty::maps::Providers;
|
||||
use rustc::ty::subst::Substs;
|
||||
use rustc::hir::map::definitions::DefPathData;
|
||||
use rustc::ty::{self, Ty, TyCtxt, TypeFoldable};
|
||||
use rustc::util::common::record_time;
|
||||
use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
|
||||
use rustc_mir::monomorphize::item::{InstantiationMode, MonoItem, MonoItemExt};
|
||||
use rustc_mir::monomorphize::Instance;
|
||||
|
||||
use syntax::attr;
|
||||
use syntax_pos::symbol::Symbol;
|
||||
|
|
@ -124,7 +125,8 @@ pub fn provide(providers: &mut Providers) {
|
|||
};
|
||||
}
|
||||
|
||||
fn get_symbol_hash<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
|
||||
fn get_symbol_hash<'a, 'tcx>(
|
||||
tcx: TyCtxt<'a, 'tcx, 'tcx>,
|
||||
|
||||
// the DefId of the item this name is for
|
||||
def_id: DefId,
|
||||
|
|
@ -140,35 +142,43 @@ fn get_symbol_hash<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
|
|||
|
||||
// values for generic type parameters,
|
||||
// if any.
|
||||
substs: &'tcx Substs<'tcx>)
|
||||
-> u64 {
|
||||
debug!("get_symbol_hash(def_id={:?}, parameters={:?})", def_id, substs);
|
||||
substs: &'tcx Substs<'tcx>,
|
||||
) -> u64 {
|
||||
debug!(
|
||||
"get_symbol_hash(def_id={:?}, parameters={:?})",
|
||||
def_id, substs
|
||||
);
|
||||
|
||||
let mut hasher = ty::util::TypeIdHasher::<u64>::new(tcx);
|
||||
let mut hasher = StableHasher::<u64>::new();
|
||||
let mut hcx = tcx.create_stable_hashing_context();
|
||||
|
||||
record_time(&tcx.sess.perf_stats.symbol_hash_time, || {
|
||||
// the main symbol name is not necessarily unique; hash in the
|
||||
// compiler's internal def-path, guaranteeing each symbol has a
|
||||
// truly unique path
|
||||
hasher.hash(tcx.def_path_hash(def_id));
|
||||
tcx.def_path_hash(def_id).hash_stable(&mut hcx, &mut hasher);
|
||||
|
||||
// Include the main item-type. Note that, in this case, the
|
||||
// assertions about `needs_subst` may not hold, but this item-type
|
||||
// ought to be the same for every reference anyway.
|
||||
assert!(!item_type.has_erasable_regions());
|
||||
hasher.visit_ty(item_type);
|
||||
hcx.while_hashing_spans(false, |hcx| {
|
||||
hcx.with_node_id_hashing_mode(NodeIdHashingMode::HashDefPath, |hcx| {
|
||||
item_type.hash_stable(hcx, &mut hasher);
|
||||
});
|
||||
});
|
||||
|
||||
// If this is a function, we hash the signature as well.
|
||||
// This is not *strictly* needed, but it may help in some
|
||||
// situations, see the `run-make/a-b-a-linker-guard` test.
|
||||
if let ty::TyFnDef(..) = item_type.sty {
|
||||
item_type.fn_sig(tcx).visit_with(&mut hasher);
|
||||
item_type.fn_sig(tcx).hash_stable(&mut hcx, &mut hasher);
|
||||
}
|
||||
|
||||
// also include any type parameters (for generic items)
|
||||
assert!(!substs.has_erasable_regions());
|
||||
assert!(!substs.needs_subst());
|
||||
substs.visit_with(&mut hasher);
|
||||
substs.hash_stable(&mut hcx, &mut hasher);
|
||||
|
||||
let is_generic = substs.types().next().is_some();
|
||||
let avoid_cross_crate_conflicts =
|
||||
|
|
@ -194,11 +204,10 @@ fn get_symbol_hash<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
|
|||
if !def_id.is_local() && tcx.share_generics() {
|
||||
// If we are re-using a monomorphization from another crate,
|
||||
// we have to compute the symbol hash accordingly.
|
||||
let upstream_monomorphizations =
|
||||
tcx.upstream_monomorphizations_for(def_id);
|
||||
let upstream_monomorphizations = tcx.upstream_monomorphizations_for(def_id);
|
||||
|
||||
upstream_monomorphizations.and_then(|monos| monos.get(&substs)
|
||||
.cloned())
|
||||
upstream_monomorphizations
|
||||
.and_then(|monos| monos.get(&substs).cloned())
|
||||
.unwrap_or(LOCAL_CRATE)
|
||||
} else {
|
||||
LOCAL_CRATE
|
||||
|
|
@ -207,8 +216,9 @@ fn get_symbol_hash<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
|
|||
LOCAL_CRATE
|
||||
};
|
||||
|
||||
hasher.hash(&tcx.original_crate_name(instantiating_crate).as_str()[..]);
|
||||
hasher.hash(&tcx.crate_disambiguator(instantiating_crate));
|
||||
(&tcx.original_crate_name(instantiating_crate).as_str()[..])
|
||||
.hash_stable(&mut hcx, &mut hasher);
|
||||
(&tcx.crate_disambiguator(instantiating_crate)).hash_stable(&mut hcx, &mut hasher);
|
||||
}
|
||||
});
|
||||
|
||||
|
|
@ -216,9 +226,7 @@ fn get_symbol_hash<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
|
|||
hasher.finish()
|
||||
}
|
||||
|
||||
fn def_symbol_name<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, def_id: DefId)
|
||||
-> ty::SymbolName
|
||||
{
|
||||
fn def_symbol_name<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, def_id: DefId) -> ty::SymbolName {
|
||||
let mut buffer = SymbolPathBuffer::new();
|
||||
item_path::with_forced_absolute_paths(|| {
|
||||
tcx.push_item_path(&mut buffer, def_id);
|
||||
|
|
@ -226,20 +234,17 @@ fn def_symbol_name<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, def_id: DefId)
|
|||
buffer.into_interned()
|
||||
}
|
||||
|
||||
fn symbol_name<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, instance: Instance<'tcx>)
|
||||
-> ty::SymbolName
|
||||
{
|
||||
ty::SymbolName { name: Symbol::intern(&compute_symbol_name(tcx, instance)).as_interned_str() }
|
||||
fn symbol_name<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, instance: Instance<'tcx>) -> ty::SymbolName {
|
||||
ty::SymbolName {
|
||||
name: Symbol::intern(&compute_symbol_name(tcx, instance)).as_interned_str(),
|
||||
}
|
||||
}
|
||||
|
||||
fn compute_symbol_name<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, instance: Instance<'tcx>)
|
||||
-> String
|
||||
{
|
||||
fn compute_symbol_name<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, instance: Instance<'tcx>) -> String {
|
||||
let def_id = instance.def_id();
|
||||
let substs = instance.substs;
|
||||
|
||||
debug!("symbol_name(def_id={:?}, substs={:?})",
|
||||
def_id, substs);
|
||||
debug!("symbol_name(def_id={:?}, substs={:?})", def_id, substs);
|
||||
|
||||
let node_id = tcx.hir.as_local_node_id(def_id);
|
||||
|
||||
|
|
@ -259,7 +264,7 @@ fn compute_symbol_name<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, instance: Instance
|
|||
let is_foreign = if let Some(id) = node_id {
|
||||
match tcx.hir.get(id) {
|
||||
hir_map::NodeForeignItem(_) => true,
|
||||
_ => false
|
||||
_ => false,
|
||||
}
|
||||
} else {
|
||||
tcx.is_foreign_item(def_id)
|
||||
|
|
@ -296,8 +301,7 @@ fn compute_symbol_name<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, instance: Instance
|
|||
loop {
|
||||
let key = tcx.def_key(ty_def_id);
|
||||
match key.disambiguated_data.data {
|
||||
DefPathData::TypeNs(_) |
|
||||
DefPathData::ValueNs(_) => {
|
||||
DefPathData::TypeNs(_) | DefPathData::ValueNs(_) => {
|
||||
instance_ty = tcx.type_of(ty_def_id);
|
||||
break;
|
||||
}
|
||||
|
|
@ -306,8 +310,12 @@ fn compute_symbol_name<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, instance: Instance
|
|||
// to be a value or type-def or something in there
|
||||
// *somewhere*
|
||||
ty_def_id.index = key.parent.unwrap_or_else(|| {
|
||||
bug!("finding type for {:?}, encountered def-id {:?} with no \
|
||||
parent", def_id, ty_def_id);
|
||||
bug!(
|
||||
"finding type for {:?}, encountered def-id {:?} with no \
|
||||
parent",
|
||||
def_id,
|
||||
ty_def_id
|
||||
);
|
||||
});
|
||||
}
|
||||
}
|
||||
|
|
@ -337,14 +345,14 @@ fn compute_symbol_name<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>, instance: Instance
|
|||
// use C++ name-mangling.
|
||||
struct SymbolPathBuffer {
|
||||
result: String,
|
||||
temp_buf: String
|
||||
temp_buf: String,
|
||||
}
|
||||
|
||||
impl SymbolPathBuffer {
|
||||
fn new() -> Self {
|
||||
let mut result = SymbolPathBuffer {
|
||||
result: String::with_capacity(64),
|
||||
temp_buf: String::with_capacity(16)
|
||||
temp_buf: String::with_capacity(16),
|
||||
};
|
||||
result.result.push_str("_ZN"); // _Z == Begin name-sequence, N == nested
|
||||
result
|
||||
|
|
@ -353,14 +361,16 @@ impl SymbolPathBuffer {
|
|||
fn from_interned(symbol: ty::SymbolName) -> Self {
|
||||
let mut result = SymbolPathBuffer {
|
||||
result: String::with_capacity(64),
|
||||
temp_buf: String::with_capacity(16)
|
||||
temp_buf: String::with_capacity(16),
|
||||
};
|
||||
result.result.push_str(&symbol.name.as_str());
|
||||
result
|
||||
}
|
||||
|
||||
fn into_interned(self) -> ty::SymbolName {
|
||||
ty::SymbolName { name: Symbol::intern(&self.result).as_interned_str() }
|
||||
ty::SymbolName {
|
||||
name: Symbol::intern(&self.result).as_interned_str(),
|
||||
}
|
||||
}
|
||||
|
||||
fn finish(mut self, hash: u64) -> String {
|
||||
|
|
@ -379,7 +389,11 @@ impl ItemPathBuffer for SymbolPathBuffer {
|
|||
fn push(&mut self, text: &str) {
|
||||
self.temp_buf.clear();
|
||||
let need_underscore = sanitize(&mut self.temp_buf, text);
|
||||
let _ = write!(self.result, "{}", self.temp_buf.len() + (need_underscore as usize));
|
||||
let _ = write!(
|
||||
self.result,
|
||||
"{}",
|
||||
self.temp_buf.len() + (need_underscore as usize)
|
||||
);
|
||||
if need_underscore {
|
||||
self.result.push('_');
|
||||
}
|
||||
|
|
@ -410,16 +424,13 @@ pub fn sanitize(result: &mut String, s: &str) -> bool {
|
|||
'-' | ':' => result.push('.'),
|
||||
|
||||
// These are legal symbols
|
||||
'a' ... 'z'
|
||||
| 'A' ... 'Z'
|
||||
| '0' ... '9'
|
||||
| '_' | '.' | '$' => result.push(c),
|
||||
'a'...'z' | 'A'...'Z' | '0'...'9' | '_' | '.' | '$' => result.push(c),
|
||||
|
||||
_ => {
|
||||
result.push('$');
|
||||
for c in c.escape_unicode().skip(1) {
|
||||
match c {
|
||||
'{' => {},
|
||||
'{' => {}
|
||||
'}' => result.push('$'),
|
||||
c => result.push(c),
|
||||
}
|
||||
|
|
@ -429,7 +440,6 @@ pub fn sanitize(result: &mut String, s: &str) -> bool {
|
|||
}
|
||||
|
||||
// Underscore-qualify anything that didn't start as an ident.
|
||||
!result.is_empty() &&
|
||||
result.as_bytes()[0] != '_' as u8 &&
|
||||
! (result.as_bytes()[0] as char).is_xid_start()
|
||||
!result.is_empty() && result.as_bytes()[0] != '_' as u8
|
||||
&& !(result.as_bytes()[0] as char).is_xid_start()
|
||||
}
|
||||
|
|
|
|||
|
|
@ -89,6 +89,8 @@ impl<'a, 'hir> Visitor<'hir> for CheckLoopVisitor<'a, 'hir> {
|
|||
self.with_context(LabeledBlock, |v| v.visit_block(&b));
|
||||
}
|
||||
hir::ExprBreak(label, ref opt_expr) => {
|
||||
opt_expr.as_ref().map(|e| self.visit_expr(e));
|
||||
|
||||
if self.require_label_in_labeled_block(e.span, &label, "break") {
|
||||
// If we emitted an error about an unlabeled break in a labeled
|
||||
// block, we don't need any further checking for this break any more
|
||||
|
|
|
|||
2
src/llvm
2
src/llvm
|
|
@ -1 +1 @@
|
|||
Subproject commit 1abfd0e562cc8f7a9577d97ee92246699093b954
|
||||
Subproject commit 56c931901cfb85cd6f7ed44c7d7520a8de1edf97
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
# If this file is modified, then llvm will be (optionally) cleaned and then rebuilt.
|
||||
# The actual contents of this file do not matter, but to trigger a change on the
|
||||
# build bots then the contents should be changed so git updates the mtime.
|
||||
2018-04-05
|
||||
2018-05-18
|
||||
33
src/test/ui/issue-50761.rs
Normal file
33
src/test/ui/issue-50761.rs
Normal file
|
|
@ -0,0 +1,33 @@
|
|||
// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
|
||||
// file at the top-level directory of this distribution and at
|
||||
// http://rust-lang.org/COPYRIGHT.
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
||||
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
||||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
||||
// option. This file may not be copied, modified, or distributed
|
||||
// except according to those terms.
|
||||
|
||||
// Confirm that we don't accidently divide or mod by zero in llvm_type
|
||||
|
||||
// compile-pass
|
||||
|
||||
mod a {
|
||||
pub trait A {}
|
||||
}
|
||||
|
||||
mod b {
|
||||
pub struct Builder {}
|
||||
|
||||
pub fn new() -> Builder {
|
||||
Builder {}
|
||||
}
|
||||
|
||||
impl Builder {
|
||||
pub fn with_a(&mut self, _a: fn() -> ::a::A) {}
|
||||
}
|
||||
}
|
||||
|
||||
pub use self::b::new;
|
||||
|
||||
fn main() {}
|
||||
18
src/test/ui/issue-50802.rs
Normal file
18
src/test/ui/issue-50802.rs
Normal file
|
|
@ -0,0 +1,18 @@
|
|||
// Copyright 2018 The Rust Project Developers. See the COPYRIGHT
|
||||
// file at the top-level directory of this distribution and at
|
||||
// http://rust-lang.org/COPYRIGHT.
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
|
||||
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
|
||||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
|
||||
// option. This file may not be copied, modified, or distributed
|
||||
// except according to those terms.
|
||||
|
||||
#[allow(unreachable_code)]
|
||||
|
||||
fn main() {
|
||||
loop {
|
||||
break while continue { //~ ERROR E0590
|
||||
}
|
||||
}
|
||||
}
|
||||
9
src/test/ui/issue-50802.stderr
Normal file
9
src/test/ui/issue-50802.stderr
Normal file
|
|
@ -0,0 +1,9 @@
|
|||
error[E0590]: `break` or `continue` with no label in the condition of a `while` loop
|
||||
--> $DIR/issue-50802.rs:15:21
|
||||
|
|
||||
LL | break while continue { //~ ERROR E0590
|
||||
| ^^^^^^^^ unlabeled `continue` in the condition of a `while` loop
|
||||
|
||||
error: aborting due to previous error
|
||||
|
||||
For more information about this error, try `rustc --explain E0590`.
|
||||
|
|
@ -20,6 +20,11 @@ struct SoulHistory {
|
|||
endless_and_singing: bool
|
||||
}
|
||||
|
||||
struct LovelyAmbition {
|
||||
lips: usize,
|
||||
fire: usize
|
||||
}
|
||||
|
||||
#[derive(Clone, Copy)]
|
||||
enum Large {
|
||||
Suit { case: () }
|
||||
|
|
@ -45,6 +50,10 @@ fn main() {
|
|||
hours_are_suns = false;
|
||||
}
|
||||
|
||||
let the_spirit = LovelyAmbition { lips: 1, fire: 2 };
|
||||
let LovelyAmbition { lips, fire } = the_spirit;
|
||||
println!("{}", lips);
|
||||
|
||||
let bag = Large::Suit {
|
||||
case: ()
|
||||
};
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
warning: unused variable: `i_think_continually`
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:31:9
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:36:9
|
||||
|
|
||||
LL | let i_think_continually = 2;
|
||||
| ^^^^^^^^^^^^^^^^^^^ help: consider using `_i_think_continually` instead
|
||||
|
|
@ -12,31 +12,31 @@ LL | #![warn(unused)] // UI tests pass `-A unused` (#43896)
|
|||
= note: #[warn(unused_variables)] implied by #[warn(unused)]
|
||||
|
||||
warning: unused variable: `mut_unused_var`
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:38:13
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:43:13
|
||||
|
|
||||
LL | let mut mut_unused_var = 1;
|
||||
| ^^^^^^^^^^^^^^ help: consider using `_mut_unused_var` instead
|
||||
|
||||
warning: unused variable: `var`
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:40:14
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:45:14
|
||||
|
|
||||
LL | let (mut var, unused_var) = (1, 2);
|
||||
| ^^^ help: consider using `_var` instead
|
||||
|
||||
warning: unused variable: `unused_var`
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:40:19
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:45:19
|
||||
|
|
||||
LL | let (mut var, unused_var) = (1, 2);
|
||||
| ^^^^^^^^^^ help: consider using `_unused_var` instead
|
||||
|
||||
warning: unused variable: `corridors_of_light`
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:42:26
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:47:26
|
||||
|
|
||||
LL | if let SoulHistory { corridors_of_light,
|
||||
| ^^^^^^^^^^^^^^^^^^ help: try ignoring the field: `corridors_of_light: _`
|
||||
|
||||
warning: variable `hours_are_suns` is assigned to, but never used
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:43:30
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:48:30
|
||||
|
|
||||
LL | mut hours_are_suns,
|
||||
| ^^^^^^^^^^^^^^
|
||||
|
|
@ -44,7 +44,7 @@ LL | mut hours_are_suns,
|
|||
= note: consider using `_hours_are_suns` instead
|
||||
|
||||
warning: value assigned to `hours_are_suns` is never read
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:45:9
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:50:9
|
||||
|
|
||||
LL | hours_are_suns = false;
|
||||
| ^^^^^^^^^^^^^^
|
||||
|
|
@ -56,44 +56,50 @@ LL | #![warn(unused)] // UI tests pass `-A unused` (#43896)
|
|||
| ^^^^^^
|
||||
= note: #[warn(unused_assignments)] implied by #[warn(unused)]
|
||||
|
||||
warning: unused variable: `fire`
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:54:32
|
||||
|
|
||||
LL | let LovelyAmbition { lips, fire } = the_spirit;
|
||||
| ^^^^ help: try ignoring the field: `fire: _`
|
||||
|
||||
warning: unused variable: `case`
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:54:23
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:63:23
|
||||
|
|
||||
LL | Large::Suit { case } => {}
|
||||
| ^^^^ help: try ignoring the field: `case: _`
|
||||
|
||||
warning: unused variable: `case`
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:59:24
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:68:24
|
||||
|
|
||||
LL | &Large::Suit { case } => {}
|
||||
| ^^^^ help: try ignoring the field: `case: _`
|
||||
|
||||
warning: unused variable: `case`
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:64:27
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:73:27
|
||||
|
|
||||
LL | box Large::Suit { case } => {}
|
||||
| ^^^^ help: try ignoring the field: `case: _`
|
||||
|
||||
warning: unused variable: `case`
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:69:24
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:78:24
|
||||
|
|
||||
LL | (Large::Suit { case },) => {}
|
||||
| ^^^^ help: try ignoring the field: `case: _`
|
||||
|
||||
warning: unused variable: `case`
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:74:24
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:83:24
|
||||
|
|
||||
LL | [Large::Suit { case }] => {}
|
||||
| ^^^^ help: try ignoring the field: `case: _`
|
||||
|
||||
warning: unused variable: `case`
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:79:29
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:88:29
|
||||
|
|
||||
LL | Tuple(Large::Suit { case }, ()) => {}
|
||||
| ^^^^ help: try ignoring the field: `case: _`
|
||||
|
||||
warning: variable does not need to be mutable
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:38:9
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:43:9
|
||||
|
|
||||
LL | let mut mut_unused_var = 1;
|
||||
| ----^^^^^^^^^^^^^^
|
||||
|
|
@ -108,7 +114,7 @@ LL | #![warn(unused)] // UI tests pass `-A unused` (#43896)
|
|||
= note: #[warn(unused_mut)] implied by #[warn(unused)]
|
||||
|
||||
warning: variable does not need to be mutable
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:40:10
|
||||
--> $DIR/issue-47390-unused-variable-in-struct-pattern.rs:45:10
|
||||
|
|
||||
LL | let (mut var, unused_var) = (1, 2);
|
||||
| ----^^^
|
||||
|
|
|
|||
|
|
@ -1 +1 @@
|
|||
Subproject commit c658fc8cbcd1f199edd445a49cb43139ebdc5f02
|
||||
Subproject commit ebe0b0eed596243a2839867363cb31d93f0b9754
|
||||
Loading…
Reference in a new issue