[Bug tree-optimization/61684] [4.8/4.9/4.10 Regression] ICE at -Os and above on x86_64-linux-gnu in tree check: expected ssa_name, have addr_expr in recognize_single_bit_test, at tree-ssa-ifcombine.c:238

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61684

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri Jul  4 08:32:56 2014
New Revision: 212290

URL: https://gcc.gnu.org/viewcvs?rev=212290&root=gcc&view=rev
Log:
    PR tree-optimization/61684
    * tree-ssa-ifcombine.c (recognize_single_bit_test): Make sure
    rhs1 of conversion is a SSA_NAME before using SSA_NAME_DEF_STMT on it.

    * gcc.c-torture/compile/pr61684.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr61684.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-ifcombine.c