[Bug tree-optimization/55236] [4.8 Regression] gcc.c-torture/execute/pr22493-1.c FAILs with -fPIC

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55236



--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-11-17 
22:00:37 UTC ---

Author: jakub

Date: Sat Nov 17 22:00:32 2012

New Revision: 193591



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193591

Log:

    PR tree-optimization/55236

    * fold-const.c (make_range_step) <case NEGATE_EXPR>: For -fwrapv

    and signed ARG0_TYPE, force low and high to be non-NULL.



    * gcc.dg/pr55236.c: New test.



Added:

    trunk/gcc/testsuite/gcc.dg/pr55236.c

Modified:

    trunk/gcc/ChangeLog

    trunk/gcc/fold-const.c

    trunk/gcc/testsuite/ChangeLog