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[Bug debug/55094] [4.7/4.8 Regression] ICE in maybe_record_trace_start, at dwarf2cfi.c:2224
- 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: Tue, 20 Nov 2012 08:38:22 +0000
- Subject: [Bug debug/55094] [4.7/4.8 Regression] ICE in maybe_record_trace_start, at dwarf2cfi.c:2224
- Auto-submitted: auto-generated
- References: <bug-55094-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55094
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-11-20 08:38:22 UTC ---
Author: jakub
Date: Tue Nov 20 08:38:11 2012
New Revision: 193649
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193649
Log:
PR middle-end/55094
* builtins.c (expand_builtin_trap): Add REG_ARGS_SIZE note
on the trap insn for !ACCUMULATE_OUTGOING_ARGS.
* cfgcleanup.c (outgoing_edges_match): Don't look at debug insns
on the first old_insns_match_p call. For !ACCUMULATE_OUTGOING_ARGS
fail if the last real insn doesn't have REG_ARGS_SIZE note.
* gcc.dg/pr55094.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr55094.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/builtins.c
trunk/gcc/cfgcleanup.c
trunk/gcc/testsuite/ChangeLog