[Bug tree-optimization/53881] [4.8 regression] ICE in hoist_edge_and_branch_if_true

[steven at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53881

--- Comment #12 from Steven Bosscher <steven at gcc dot gnu.org> 2012-07-23 
09:26:46 UTC ---
Author: steven
Date: Mon Jul 23 09:26:41 2012
New Revision: 189779

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=189779
Log:
gcc/
    PR tree-optimization/53881
    * tree-cfg.c (group_case_labels_stmt): Look up the basic block
    for each label and compare them instead of labels.

testsuite/
    PR tree-optimization/53881
    * gcc.dg/pr53881.c: Renamed to ...
    * gcc.dg/pr53881-1.c: ... this.
    * gcc.dg/pr53881-2.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/pr53881-1.c
      - copied unchanged from r189758, trunk/gcc/testsuite/gcc.dg/pr53881.c
    trunk/gcc/testsuite/gcc.dg/pr53881-2.c
Removed:
    trunk/gcc/testsuite/gcc.dg/pr53881.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-cfg.c