[Bug tree-optimization/64406] [5 Regression] ICE: SIGSEGV in estimate_numbers_of_iterations_loop (tree-ssa-loop-niter.c:3453) with custom flags

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64406

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Jan 13 13:41:46 2015
New Revision: 219528

URL: https://gcc.gnu.org/viewcvs?rev=219528&root=gcc&view=rev
Log:
2015-01-13  Richard Biener  <rguent...@suse.de>

    PR tree-optimization/64406
    * tree-loop-distibution.c (pass_loop_distribution::execute):
    Reset the SCEV hashtable if we distributed anything.

    * gcc.dg/pr64406.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/pr64406.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-loop-distribution.c