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mir: Don't forget to drop arguments.

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This commit is contained in:
Eduard Burtescu 2016-03-10 06:35:41 +02:00
parent cfd768e2e6
commit 5f990fb4f0
1 changed files with 4 additions and 1 deletions
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5
src/librustc_mir/build/mod.rs
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@ -141,14 +141,17 @@ impl<'a,'tcx> Builder<'a,'tcx> {
.chain(explicits)
.enumerate()
.map(|(index, (ty, pattern))| {
let lvalue = Lvalue::Arg(index as u32);
if let Some(pattern) = pattern {
let lvalue = Lvalue::Arg(index as u32);
let pattern = this.hir.irrefutable_pat(pattern);
unpack!(block = this.lvalue_into_pattern(block,
argument_extent,
pattern,
&lvalue));
}
// Make sure we drop (parts of) the argument even when not matched on.
this.schedule_drop(pattern.as_ref().map_or(ast_block.span, |pat| pat.span),
argument_extent, &lvalue, ty);
ArgDecl { ty: ty, spread: false }
})
.collect();