[Bug tree-optimization/46130] [4.6 Regression] ICE: SIGSEGV in walk_stmt_load_store_addr_ops (gimple.c:4894) with -O2 -fno-tree-dce

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46130

--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-01-20 
12:02:38 UTC ---
Author: jakub
Date: Thu Jan 20 12:02:33 2011
New Revision: 169052

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=169052
Log:
    PR tree-optimization/46130
    * ipa-split.c (consider_split): If return_bb contains non-virtual
    PHIs other than for retval or if split_function would not adjust it,
    refuse to split.

    * gcc.dg/pr46130-1.c: New test.
    * gcc.dg/pr46130-2.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr46130-1.c
    trunk/gcc/testsuite/gcc.dg/pr46130-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-split.c
    trunk/gcc/testsuite/ChangeLog