[Bug tree-optimization/70116] tail-merge merges ubsan internal fns with different location information

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70116

--- Comment #2 from vries at gcc dot gnu.org ---
Author: vries
Date: Mon Mar  7 14:50:13 2016
New Revision: 234029

URL: https://gcc.gnu.org/viewcvs?rev=234029&root=gcc&view=rev
Log:
Skip ubsan/asan internal fns with different location in tail-merge

2016-03-07  Tom de Vries  <t...@codesourcery.com>

        PR tree-optimization/70116
        * tree-ssa-tail-merge.c (merge_stmts_p): New function, handling
        is_tm_ending stmts and ubsan/asan internal functions.
        (find_duplicate): Use it.  Don't test is_tm_ending here.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/tree-ssa-tail-merge.c