[Bug bootstrap/86739] [9 Regression] Bootstrap broken with host GCC 4.1.2

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86739

--- Comment #11 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Nov 14 16:43:38 2018
New Revision: 266152

URL: https://gcc.gnu.org/viewcvs?rev=266152&root=gcc&view=rev
Log:
        PR bootstrap/86739
        * hash-map.h (hash_map::iterator::reference_pair): New class.
        (hash_map::iterator::operator*): Return it rather than std::pair.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/hash-map.h