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re PR tree-optimization/43213 (Worse code generated with -O2)
authorRichard Guenther <rguenther@suse.de>
Mon, 1 Mar 2010 12:56:44 +0000 (12:56 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Mon, 1 Mar 2010 12:56:44 +0000 (12:56 +0000)
commit434c8f4b99a89391ee874db02f0395979792eb3f
tree203acddae995515ee65514805003aa7a64565cc4tree
parent291c0a12c4a00c0aa5a67e570e3194b808ad6946commit | diff
re PR tree-optimization/43213 (Worse code generated with -O2)

2010-03-01  Richard Guenther  <rguenther@suse.de>

PR middle-end/43213
* expr.c (expand_assignment): Use the alias-oracle to tell
if the rhs aliases the result decl.

* gcc.dg/pr43213.c: New testcase.

From-SVN: r157142
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gcc/testsuite/gcc.dg/pr43213.c [new file with mode: 0644] blob
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