longlong.h: Disable alpha umul_ppmm for old g++

Causes "unexpected AST of kind MULT_HIGHPART" error with bootstrap from gcc 4.8.

1 files changed, 4 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index a3c4d8ef12..ce42df8ce6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2016-01-07  Richard Henderson  <rth@redhat.com>
+
+	* longlong.h [__alpha] (umul_ppmm): Disable for c++.
+
 2016-01-07  Mike Frysinger  <vapier@gentoo.org>
 
 	* sysdeps/unix/sysv/linux/fxstat64.c (___fxstat64): Change