[Bug rtl-optimization/49235] [4.7 Regression] ICE: in int_mode_for_mode, at stor-layout.c:424 with -O -fno-delete-null-pointer-checks -fno-tree-scev-cprop -ftree-vectorize -fno-vect-cost-model

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49235

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-05-31 
12:34:45 UTC ---
Author: jakub
Date: Tue May 31 12:34:42 2011
New Revision: 174478

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=174478
Log:
    PR rtl-optimization/49235
    * tree-ssa-address.c (gen_addr_rtx): Ignore base if it is const0_rtx.
    (create_mem_ref_raw): Create MEM_REF even if base is INTEGER_CST.

    * gcc.dg/pr49235.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr49235.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-address.c