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[Bug rtl-optimization/51771] trans-mem: abnormal edges get lost or corrupted
- From: "torvald at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 31 Jan 2012 13:20:32 +0000
- Subject: [Bug rtl-optimization/51771] trans-mem: abnormal edges get lost or corrupted
- Auto-submitted: auto-generated
- References: <bug-51771-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51771
--- Comment #3 from torvald at gcc dot gnu.org 2012-01-31 13:20:32 UTC ---
Created attachment 26532
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26532
test for false returns-twice warning
Attached a test that triggers a false warning due to the returns-twice hack
when -Wclobbered is used. The transactions roll back updates properly.