[Bug target/84828] ICE in verify_flow_info at gcc/cfghooks.c:265

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84828

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Mar 13 08:04:54 2018
New Revision: 258476

URL: https://gcc.gnu.org/viewcvs?rev=258476&root=gcc&view=rev
Log:
        PR target/84828
        * reg-stack.c (change_stack): Change update_end var from int to
        rtx_insn *, if non-NULL don't update just BB_END (current_block), but
        also call set_block_for_insn on the newly added insns and rescan.

        * g++.dg/ext/pr84828.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/ext/pr84828.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/reg-stack.c
    trunk/gcc/testsuite/ChangeLog