[Bug tree-optimization/50613] [4.7 Regression] ICE: tree check: expected ssa_name, have addr_expr in find_equal_ptrs, at tree-ssa-strlen.c:712 with -foptimize-strlen -fno-tree-ccp

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50613

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-10-05 
18:10:03 UTC ---
Author: jakub
Date: Wed Oct  5 18:09:56 2011
New Revision: 179567

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=179567
Log:
    PR tree-optimization/50613
    * tree-ssa-strlen.c (find_equal_ptrs): If CASE_CONVERT
    operand is ADDR_EXPR, fallthru into ADDR_EXPR handling,
    and if it is neither that not SSA_NAME, give up.

    * gcc.dg/pr50613.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr50613.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-strlen.c