[Bug middle-end/54321] [4.8 Regression] ice in tree_low_cst at -O3

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54321

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-08-20 09:12:11 UTC ---
Author: jakub
Date: Mon Aug 20 09:12:05 2012
New Revision: 190526

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190526
Log:
    PR tree-optimization/54321
    * tree-ssa-forwprop.c (simplify_builtin_call): Pass 0 instead of 1
    as second argument to tree_low_cst call on val2.

    * gcc.c-torture/compile/pr54321.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr54321.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-forwprop.c