[Bug c++/84704] [8 Regression] internal compiler error: gimplification failed

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84704

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Mon Mar 12 23:39:21 2018
New Revision: 258470

URL: https://gcc.gnu.org/viewcvs?rev=258470&root=gcc&view=rev
Log:
        PR c++/84704
        * tree.c (stabilize_reference_1): Return save_expr (e) for
        STATEMENT_LIST even if it doesn't have side-effects.

        * g++.dg/debug/pr84704.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/debug/pr84704.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree.c