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rustc: Fix memory corruption with ivectors-inside-ivectors by duplicating *first*, and *then* copying subtypes.

This commit is contained in:
Patrick Walton 2011-07-01 20:07:19 -07:00
parent d39c59ae41
commit 67c9ef9b30
1 changed files with 2 additions and 2 deletions
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4
src/comp/middle/trans.rs
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@ -1945,8 +1945,8 @@ fn make_copy_glue(&@block_ctxt cx, ValueRef v, &ty::t t) {
if (ty::type_is_boxed(cx.fcx.lcx.ccx.tcx, t)) {
bcx = incr_refcnt_of_boxed(cx, cx.build.Load(v)).bcx;
} else if (ty::type_is_structural(cx.fcx.lcx.ccx.tcx, t)) {
bcx = iter_structural_ty(cx, v, t, bind copy_ty(_, _, _)).bcx;
bcx = duplicate_heap_parts_if_necessary(bcx, v, t).bcx;
bcx = duplicate_heap_parts_if_necessary(cx, v, t).bcx;
bcx = iter_structural_ty(bcx, v, t, bind copy_ty(_, _, _)).bcx;
} else { bcx = cx; }
bcx.build.RetVoid();
}