Ensure #[used] symbols are preserved in LTO

2022-04-24 22:32:05 +01:00 · 2022-04-24 22:32:05 +01:00 · 1af3e0a65e
parent 9ebeb284b5
commit 1af3e0a65e
1 changed files with 1 additions and 1 deletions
--- a/compiler/rustc_codegen_llvm/src/back/lto.rs
+++ b/compiler/rustc_codegen_llvm/src/back/lto.rs
@ -56,7 +56,7 @@ fn prepare_lto(
    };

    let symbol_filter = &|&(ref name, info): &(String, SymbolExportInfo)| {
-        if info.level.is_below_threshold(export_threshold) {
+        if info.level.is_below_threshold(export_threshold) || info.used {
            Some(CString::new(name.as_str()).unwrap())
        } else {
            None