update VAX

external/gpl3/gcc/README.gcc53

@@ -1,4 +1,4 @@
-$NetBSD: README.gcc53,v 1.12 2016/03/24 21:26:45 skrll Exp $
+$NetBSD: README.gcc53,v 1.13 2016/03/24 21:46:28 christos Exp $
 
 lib:
 	libasan is disabled currently (haven't tried yet)
@@ -66,7 +66,7 @@ sh3eb		y	?	y	y		y[5]
 sh3el		y	?	y	y		y
 sparc		y	y	y	y		y		y
 sparc64		y	y	y	y		y		y[6,2]	y
-vax		n[7]
+vax		y	y	y	y		y		y[15]	n
 x86_64		y	y	y	y		y		y	y
 --
 or1k		n[11]
@@ -113,3 +113,7 @@ architecture	tools	kernels	libgcc	native-gcc	make release	runs	atf
        - pmax gxemul (OK)
        - i386/amd64 (OK)
        - hppa (OK)
+[15] - vax
+	- ssh is broken, was broken with 4.8
+	- there are too many -O0's we added because of mis-handled rtl
+	- the eh_frame stuff is probably busted, but it never worked?