[Bug rtl-optimization/53589] [4.7/4.8 Regression] ICE in maybe_record_trace_start with asm goto

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53589

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-06-14 
17:49:54 UTC ---
Author: jakub
Date: Thu Jun 14 17:49:49 2012
New Revision: 188626

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=188626
Log:
    Backported from mainline
    2012-06-12  Jakub Jelinek  <ja...@redhat.com>

    PR rtl-optimization/53589
    * cfgrtl.c (force_nonfallthru_and_redirect): Do asm_goto_edge
    discovery even when e->dest != target.  If any LABEL_REF points
    to e->dest label, redirect it to target's label.

    * gcc.dg/torture/pr53589.c: New test.

Added:
    branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/torture/pr53589.c
Modified:
    branches/gcc-4_7-branch/gcc/ChangeLog
    branches/gcc-4_7-branch/gcc/cfgrtl.c
    branches/gcc-4_7-branch/gcc/testsuite/ChangeLog