[Bug debug/67043] [6 Regression] -fcompare-debug failure with -O3

[thopre01 at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67043

--- Comment #6 from Thomas Preud'homme <thopre01 at gcc dot gnu.org> ---
Author: thopre01
Date: Tue Aug  4 02:11:58 2015
New Revision: 226540

URL: https://gcc.gnu.org/viewcvs?rev=226540&root=gcc&view=rev
Log:
2015-08-04  Thomas Preud'homme  <thomas.preudho...@arm.com>

    gcc/
    PR tree-optimization/67043
    * loop-invariant.c (move_invariant_reg): Recompute luids in loop
    preheader after hoisting invariant in it.
    (find_defs): Force recomputation of all luids.

    gcc/testsuite/
    PR tree-optimization/67043
    * gcc.dg/pr67043.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr67043.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/loop-invariant.c
    trunk/gcc/testsuite/ChangeLog