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[Bug rtl-optimization/52714] [4.8 regression] ICE in fixup_reorder_chain, at cfglayout.c:880
- From: "segher at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 03 Dec 2014 06:01:26 +0000
- Subject: [Bug rtl-optimization/52714] [4.8 regression] ICE in fixup_reorder_chain, at cfglayout.c:880
- Auto-submitted: auto-generated
- References: <bug-52714-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52714
--- Comment #16 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Author: segher
Date: Wed Dec 3 06:00:54 2014
New Revision: 218302
URL: https://gcc.gnu.org/viewcvs?rev=218302&root=gcc&view=rev
Log:
PR rtl-optimization/52714
* combine.c (try_combine): Allow combining two insns into two
new insns if at least one of those is a noop.
gcc/testsuite/
* gcc.target/m68k/pr52714.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.target/m68k/pr52714.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/combine.c
trunk/gcc/testsuite/ChangeLog