libgo: update to Go1.12beta2

    
    Reviewed-on: https://go-review.googlesource.com/c/158019

gotools/:
	* Makefile.am (go_cmd_vet_files): Update for Go1.12beta2 release.
	(GOTOOLS_TEST_TIMEOUT): Increase to 600.
	(check-runtime): Export LD_LIBRARY_PATH before computing GOARCH
	and GOOS.
	(check-vet): Copy golang.org/x/tools into check-vet-dir.
	* Makefile.in: Regenerate.

gcc/testsuite/:
	* go.go-torture/execute/names-1.go: Stop using debug/xcoff, which
	is no longer externally visible.

From-SVN: r268084

1 files changed, 0 insertions, 22 deletions

diff --git a/libgo/go/internal/bytealg/indexbyte_generic.go b/libgo/go/internal/bytealg/indexbyte_generic.go
index 6e59fd1..d39dfa8 100644
--- a/libgo/go/internal/bytealg/indexbyte_generic.go
+++ b/libgo/go/internal/bytealg/indexbyte_generic.go
@@ -7,8 +7,6 @@
 
 package bytealg
 
-import _ "unsafe" // for go:linkname
-
 func IndexByte(b []byte, c byte) int {
 	for i, x := range b {
 		if x == c {
@@ -26,23 +24,3 @@ func IndexByteString(s string, c byte) int {
 	}
 	return -1
 }
-
-//go:linkname bytes_IndexByte bytes.IndexByte
-func bytes_IndexByte(b []byte, c byte) int {
-	for i, x := range b {
-		if x == c {
-			return i
-		}
-	}
-	return -1
-}
-
-//go:linkname strings_IndexByte strings.IndexByte
-func strings_IndexByte(s string, c byte) int {
-	for i := 0; i < len(s); i++ {
-		if s[i] == c {
-			return i
-		}
-	}
-	return -1
-}