[Bug rtl-optimization/52175] [4.7 regression] ICE in maybe_record_trace_start after invalid dbr_schedule transformation

[rsandifo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52175

--- Comment #2 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> 
2012-02-11 09:00:47 UTC ---
Author: rsandifo
Date: Sat Feb 11 09:00:42 2012
New Revision: 184128

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=184128
Log:
gcc/
    PR rtl-optimization/52175
    * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
    to frame-related instructions.

gcc/testsuite/
    PR rtl-optimization/52175
    * gcc.c-torture/compile/pr52175.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr52175.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/reorg.c
    trunk/gcc/testsuite/ChangeLog