[Bug bootstrap/71071] [7 regression] ICE --enable-checking=fold : fold check: original tree changed by fold

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71071

--- Comment #13 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri May 13 20:24:22 2016
New Revision: 236222

URL: https://gcc.gnu.org/viewcvs?rev=236222&root=gcc&view=rev
Log:
        PR bootstrap/71071
        * fold-const.c (fold_checksum_tree): Allow modification
        of TYPE_ALIAS_SET during folding.

        * gcc.dg/pr71071.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr71071.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog