[Bug middle-end/53887] [4.8 Regression] ICE in hoist_edge_and_branch_if_true, at tree-switch-conversion.c:79

[steven at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53887

--- Comment #4 from Steven Bosscher <steven at gcc dot gnu.org> 2012-07-09 18:53:39 UTC ---
Author: steven
Date: Mon Jul  9 18:53:35 2012
New Revision: 189389

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=189389
Log:
gcc/
    PR tree-optimization/53887
    * tree-cfg.c (group_case_labels_stmt): Make non-static.
    * tree-flow.h (group_case_labels_stmt): Add prototype.
    * tree-switch-conversion.c (process_switch): Use group_case_labels_stmt
    to pre-process every switch.

testsuite/
    PR tree-optimization/53887
    * gcc.dg/pr53887.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/pr53887.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-cfg.c
    trunk/gcc/tree-flow.h
    trunk/gcc/tree-switch-conversion.c