[Bug middle-end/46637] [4.6 Regression] SIGSEGV in if_then_else_cond - too deep recursion

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46637

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2010-11-25 
18:01:00 UTC ---
Author: jakub
Date: Thu Nov 25 18:00:47 2010
New Revision: 167148

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=167148
Log:
    PR middle-end/46637
    * combine.c (try_combine): When substing i2dest for i2src, pass
    1 as last argument even if
    i0_feeds_i1_n && i1_feeds_i2_n && i0dest_in_i0src.

    * gcc.c-torture/compile/pr46637.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr46637.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/combine.c
    trunk/gcc/testsuite/ChangeLog