[Bug rtl-optimization/71916] [6/7 Regression] ICE at -O3 on valid code on x86_64-linux-gnu in "maybe_record_trace_start"

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71916

--- Comment #17 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Jul 19 19:55:54 2016
New Revision: 238491

URL: https://gcc.gnu.org/viewcvs?rev=238491&root=gcc&view=rev
Log:
        PR rtl-optimization/71916
        * cfgrtl.c (contains_no_active_insn_p): Return false also for
        bb which have a single succ fake edge.

        * gcc.c-torture/compile/pr71916.c: New test.

Added:
    branches/gcc-6-branch/gcc/testsuite/gcc.c-torture/compile/pr71916.c
Modified:
    branches/gcc-6-branch/gcc/ChangeLog
    branches/gcc-6-branch/gcc/cfgrtl.c
    branches/gcc-6-branch/gcc/testsuite/ChangeLog