cmd/vet: add assembly checker

Fixes issue 5036.

R=golang-dev, r
CC=golang-dev
https://codereview.appspot.com/7531045

1 files changed, 1 insertions, 1 deletions

diff --git a/test/errchk b/test/errchk
index 6b00570bd..b8b312a92 100755
--- a/test/errchk
+++ b/test/errchk
@@ -31,7 +31,7 @@ if(@ARGV < 1) {
 
 # Grab SOURCEFILES
 foreach(reverse 0 .. @ARGV-1) {
-	unless($ARGV[$_] =~ /\.go$/) {
+	unless($ARGV[$_] =~ /\.(go|s)$/) {
 		@file = @ARGV[$_+1 .. @ARGV-1];
 		last;
 	}