[Bug middle-end/57661] [4.9 Regression] ICE: SIGSEGV in verify_ssa

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57661

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Aug 13 17:06:13 2013
New Revision: 201698

URL: http://gcc.gnu.org/viewcvs?rev=201698&root=gcc&view=rev
Log:
    PR tree-optimization/57661
    * tree-inline.h (struct copy_body_data): Add blocks_to_copy field.
    * tree-inline.c (tree_function_versioning): Initialize it.
    (remap_gimple_stmt): Return GIMPLE_NOP for MEM_REF lhs clobber stmts
    if id->blocks_to_copy and MEM_REF's SSA_NAME is defined in a block
    that is not being copied.

    * g++.dg/opt/pr57661.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/opt/pr57661.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-inline.c
    trunk/gcc/tree-inline.h