[Bug bootstrap/58572] [4.9 regression] make install uses -Wno-narrowing with system compiler which does not know about it

[gary at intrepid dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58572

--- Comment #1 from Gary Funck <gary at intrepid dot com> ---
We're seeing a similar failure on SUSE SLE 11.2. The installed version of gcc
is 4.3.4.