[Bug tree-optimization/83491] [8 Regression] ICE in execute_cse_reciprocals_1 at gcc/tree-ssa-math-opts.c:585

[law at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83491

--- Comment #7 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Author: law
Date: Wed Dec 20 23:55:42 2017
New Revision: 255906

URL: https://gcc.gnu.org/viewcvs?rev=255906&root=gcc&view=rev
Log:
        PR tree-optimization/83491
        * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Check for SSA_NAME
        before walking uses.  Improve coding style and comments.

        PR tree-optimization/83491
        * gcc.dg/pr83491.c: Add new test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr83491.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-math-opts.c