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[Bug rtl-optimization/52983] [4.8 Regression] internal compiler error: in df_uses_record, at df-scan.c:3243
- From: "aoliva at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 13 Jun 2012 20:42:00 +0000
- Subject: [Bug rtl-optimization/52983] [4.8 Regression] internal compiler error: in df_uses_record, at df-scan.c:3243
- Auto-submitted: auto-generated
- References: <bug-52983-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52983
--- Comment #5 from Alexandre Oliva <aoliva at gcc dot gnu.org> 2012-06-13 20:42:00 UTC ---
Author: aoliva
Date: Wed Jun 13 20:41:55 2012
New Revision: 188527
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=188527
Log:
PR debug/52983
PR debug/48866
* dce.c (word_dce_process_block): Insert debug temps only if the
insn is not marked.
(dce_process_block): Likewise, and if debug.used is not empty,
and only after iterating over all DEFs that might mark the insn.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/dce.c