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This commit is contained in:
Tim Chevalier 2012-06-16 15:16:31 -07:00
parent a14df270dc
commit 416b3bfea4
1 changed files with 4 additions and 0 deletions
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src/rustc/middle/trans/base.rs
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@ -1424,6 +1424,10 @@ fn copy_val_no_check(bcx: block, action: copy_action, dst: ValueRef,
// FIXME: We always zero out the source. Ideally we would detect the
// case where a variable is always deinitialized by block exit and thus
// doesn't need to be dropped. (Issue #839)
// n.b. + argument mode on cx is a workaround for #2633. Note that cx isn't
// passed by value by default because currently, a newtype-like enum whose
// representation is a box isn't considered to be boxed (and thus, not
// considered immediate).
fn move_val(+cx: block, action: copy_action, dst: ValueRef,
src: lval_result, t: ty::t) -> block {
let _icx = cx.insn_ctxt("move_val");