[Bug tree-optimization/55890] [4.7/4.8 Regression] calling a builtin func through a cast triggers an ICE

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55890



--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> 2013-01-07 
15:34:48 UTC ---

Author: rguenth

Date: Mon Jan  7 15:34:43 2013

New Revision: 194975



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=194975

Log:

2013-01-07  Richard Biener  <rguent...@suse.de>



    PR middle-end/55890

    * gimple.h (gimple_call_builtin_p): New overload.

    * gimple.c (validate_call): New function.

    (gimple_call_builtin_p): Likewise.

    * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):

    Use gimple_call_builtin_p.

    (find_func_clobbers): Likewise.

    * tree-ssa-strlen.c (adjust_last_stmt): Likewise.

    (strlen_optimize_stmt): Likewise.



    * gcc.dg/torture/pr55890-1.c: New testcase.

    * gcc.dg/torture/pr55890-2.c: Likewise.



Added:

    trunk/gcc/testsuite/gcc.dg/torture/pr55890-1.c

    trunk/gcc/testsuite/gcc.dg/torture/pr55890-2.c

Modified:

    trunk/gcc/ChangeLog

    trunk/gcc/gimple.c

    trunk/gcc/gimple.h

    trunk/gcc/testsuite/ChangeLog

    trunk/gcc/tree-ssa-strlen.c

    trunk/gcc/tree-ssa-structalias.c