[Bug rtl-optimization/71724] [5/6/7 Regression] ICE: Segmentation fault, deep recursion between combine_simplify_rtx and subst

[bernds at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71724

--- Comment #7 from Bernd Schmidt <bernds at gcc dot gnu.org> ---
Author: bernds
Date: Mon Jan 23 16:30:55 2017
New Revision: 244817

URL: https://gcc.gnu.org/viewcvs?rev=244817&root=gcc&view=rev
Log:
        PR rtl-optimization/71724
        * combine.c (if_then_else_cond): Look for situations where it is
        beneficial to undo the work of one of the recursive calls.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/combine.c