diff --git a/src/cmd/link/internal/ld/decodesym.go b/src/cmd/link/internal/ld/decodesym.go
index 3ec488bbe8d..551ff802d7f 100644
--- a/src/cmd/link/internal/ld/decodesym.go
+++ b/src/cmd/link/internal/ld/decodesym.go
@@ -239,7 +239,7 @@ func decodetype_name(s *LSym, off int) string {
 	}
 
 	data := r.Sym.P
-	namelen := int(uint16(data[1]<<8) | uint16(data[2]))
+	namelen := int(uint16(data[1])<<8 | uint16(data[2]))
 	return string(data[3 : 3+namelen])
 }
 
diff --git a/src/reflect/all_test.go b/src/reflect/all_test.go
index e88bc880e2e..aff8ea253b9 100644
--- a/src/reflect/all_test.go
+++ b/src/reflect/all_test.go
@@ -5651,6 +5651,8 @@ func TestChanAlloc(t *testing.T) {
 	// allocs < 0.5 condition will trigger and this test should be fixed.
 }
 
+type TheNameOfThisTypeIsExactly255BytesLongSoWhenTheCompilerPrependsTheReflectTestPackageNameAndExtraStarTheLinkerRuntimeAndReflectPackagesWillHaveToCorrectlyDecodeTheSecondLengthByte0123456789_0123456789_0123456789_0123456789_0123456789_012345678 int
+
 type nameTest struct {
 	v    interface{}
 	want string
@@ -5664,6 +5666,7 @@ var nameTests = []nameTest{
 	{(func() D1)(nil), ""},
 	{(<-chan D1)(nil), ""},
 	{(chan<- D1)(nil), ""},
+	{TheNameOfThisTypeIsExactly255BytesLongSoWhenTheCompilerPrependsTheReflectTestPackageNameAndExtraStarTheLinkerRuntimeAndReflectPackagesWillHaveToCorrectlyDecodeTheSecondLengthByte0123456789_0123456789_0123456789_0123456789_0123456789_012345678(0), "TheNameOfThisTypeIsExactly255BytesLongSoWhenTheCompilerPrependsTheReflectTestPackageNameAndExtraStarTheLinkerRuntimeAndReflectPackagesWillHaveToCorrectlyDecodeTheSecondLengthByte0123456789_0123456789_0123456789_0123456789_0123456789_012345678"},
 }
 
 func TestNames(t *testing.T) {