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[Bug bootstrap/52041] [4.7 Regression] Bootstrap failure at revision 183650 with --enable-checking=release
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 30 Jan 2012 16:16:48 +0000
- Subject: [Bug bootstrap/52041] [4.7 Regression] Bootstrap failure at revision 183650 with --enable-checking=release
- Auto-submitted: auto-generated
- References: <bug-52041-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52041
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |jakub at gcc dot gnu.org
--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-01-30 16:16:48 UTC ---
Is it -g vs. -g0 related? I.e. if you recompile tree-ssa-strlen.i with stage1
and stage2 cc1 with the same options, does it yield the same assembly? If not,
stage2 might be miscompiled or similar issue, if yes, does compiling
tree-ssa-strlen.i with -fcompare-debug (in addition to the standard options)
yield a failure? If it is not -g vs. -g0, you could try -fdump-tree-all with
both compilers and compare where the first difference appears.