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Ensure that scratch datum's are zeroed out in the alloca phase.

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This should address the valgrind failure that @elliotslaughter
was seeing, though I am not sure why the bots / test continued
to pass, since this is precisely the condition this test was looking
for!
This commit is contained in:
Niko Matsakis 2012-09-07 09:17:27 -07:00
parent cb53623341
commit cd3cc6d17b
1 changed files with 2 additions and 2 deletions
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4
src/rustc/middle/trans/datum.rs
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@ -177,8 +177,8 @@ fn scratch_datum(bcx: block, ty: ty::t, zero: bool) -> Datum {
* returns a by-ref Datum pointing to it. You must arrange
* any cleanups etc yourself! */
let scratch = alloc_ty(bcx, ty);
if zero { zero_mem(bcx, scratch, ty); }
let llty = type_of::type_of(bcx.ccx(), ty);
let scratch = alloca_maybe_zeroed(bcx, llty, zero);
Datum { val: scratch, ty: ty, mode: ByRef, source: FromRvalue }
}