[Bug tree-optimization/77943] [5/6/7 Regression] Optimization incorrectly commons noexcept calls with non-noexcept calls

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77943

--- Comment #7 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Thu Oct 13 10:06:35 2016
New Revision: 241090

URL: https://gcc.gnu.org/viewcvs?rev=241090&root=gcc&view=rev
Log:
Do not merge BBs with a different EH landing pads (PR

        PR tree-optimization/77943
        * g++.dg/tree-ssa/pr77943.C: New test.
        PR tree-optimization/77943
        * tree-ssa-tail-merge.c (merge_stmts_p): Do not merge BBs with
        a different EH landing pads.

Added:
    trunk/gcc/testsuite/g++.dg/tree-ssa/pr77943.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-tail-merge.c