[llgo] Roll gofrontend forward

Switch gofrontend to using go.googlesource.com, and
update to 81eb6a3f425b2158c67ee32c0cc973a72ce9d6be.

There are various changes required to update to the
go 1.5 runtime:

typemap.go is changed to accommodate the change in representation for equal/hash algorithms, and the removal of the zero value/type.
CMakeLists.txt is updated to add the build tree to the package search path, so internal packages, which are not installed, are found.
various files changes due to removal of __go_new_nopointers; the same change as in D11863, but with NoUnwindAttribute added to the added runtime functions which are called with "callOnly".
minor cleanups in ssa.go while investigating issues with unwinding/panic handling.

Differential Revisision: http://reviews.llvm.org/D15188

llvm-svn: 263536

1 files changed, 9 insertions, 10 deletions

diff --git a/llgo/third_party/gofrontend/libgo/go/net/mac_test.go b/llgo/third_party/gofrontend/libgo/go/net/mac_test.go
index 8f9dc6685f8..0af0c014f50 100644
--- a/llgo/third_party/gofrontend/libgo/go/net/mac_test.go
+++ b/llgo/third_party/gofrontend/libgo/go/net/mac_test.go
@@ -10,7 +10,7 @@ import (
 	"testing"
 )
 
-var mactests = []struct {
+var parseMACTests = []struct {
 	in  string
 	out HardwareAddr
 	err string
@@ -36,19 +36,18 @@ var mactests = []struct {
 	{"0123.4567.89AB.CDEF", HardwareAddr{1, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, ""},
 }
 
-func match(err error, s string) bool {
-	if s == "" {
-		return err == nil
+func TestParseMAC(t *testing.T) {
+	match := func(err error, s string) bool {
+		if s == "" {
+			return err == nil
+		}
+		return err != nil && strings.Contains(err.Error(), s)
 	}
-	return err != nil && strings.Contains(err.Error(), s)
-}
 
-func TestMACParseString(t *testing.T) {
-	for i, tt := range mactests {
+	for i, tt := range parseMACTests {
 		out, err := ParseMAC(tt.in)
 		if !reflect.DeepEqual(out, tt.out) || !match(err, tt.err) {
-			t.Errorf("ParseMAC(%q) = %v, %v, want %v, %v", tt.in, out, err, tt.out,
-				tt.err)
+			t.Errorf("ParseMAC(%q) = %v, %v, want %v, %v", tt.in, out, err, tt.out, tt.err)
 		}
 		if tt.err == "" {
 			// Verify that serialization works too, and that it round-trips.