[Bug tree-optimization/49000] [4.6/4.7 Regression] ICE: verify_ssa failed with -O2 -g

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49000

--- Comment #12 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-05-18 
09:22:45 UTC ---
Author: jakub
Date: Wed May 18 09:22:41 2011
New Revision: 173849

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=173849
Log:
    PR tree-optimization/49000
    * tree-ssa.c (execute_update_addresses_taken): Call
    maybe_rewrite_mem_ref_base on debug stmt value.  If it couldn't
    be rewritten and decl has been marked for renaming, reset
    the debug stmt.

    * gcc.dg/pr49000.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr49000.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa.c