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[Bug rtl-optimization/48156] [4.6/4.7 Regression] wrong code with -fcrossjumping
- 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: Sun, 20 Mar 2011 15:26:11 +0000
- Subject: [Bug rtl-optimization/48156] [4.6/4.7 Regression] wrong code with -fcrossjumping
- Auto-submitted: auto-generated
- References: <bug-48156-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48156
--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-03-20 15:25:59 UTC ---
Author: jakub
Date: Sun Mar 20 15:25:55 2011
New Revision: 171195
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=171195
Log:
PR rtl-optimization/48156
* df-core.c (df_get_bb_dirty): Use df_lr if df_live is NULL,
assume df and df_lr are not NULL.
* gcc.dg/pr48156.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr48156.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/df-core.c
trunk/gcc/testsuite/ChangeLog