[Bug tree-optimization/84960] [8 Regression] ICE in GIMPLE pass: isolate-paths

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84960

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Mar 21 20:53:16 2018
New Revision: 258744

URL: https://gcc.gnu.org/viewcvs?rev=258744&root=gcc&view=rev
Log:
        PR tree-optimization/84960
        * tree-cfg.c (remove_bb): Don't move forced labels into bb->prev_bb
        if it is ENTRY block, move them into single succ of ENTRY in that case.

        * gcc.c-torture/compile/pr84960.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr84960.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-cfg.c