[Bug rtl-optimization/88018] [8 Regression] ICE in insert_insn_on_edge at cfgrtl.c:1952 since r255066

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88018

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Sat Nov 17 15:09:43 2018
New Revision: 266236

URL: https://gcc.gnu.org/viewcvs?rev=266236&root=gcc&view=rev
Log:
        PR rtl-optimization/88018
        * cfgrtl.c (fixup_abnormal_edges): Guard moving insns to fallthru edge
        on the presence of fallthru edge, rather than if it is a USE or not.

        * g++.dg/tsan/pr88018.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/tsan/pr88018.C