Index: src/cmd/internal/obj/x86/asm_test.go
--- src/cmd/internal/obj/x86/asm_test.go.orig
+++ src/cmd/internal/obj/x86/asm_test.go
@@ -310,7 +310,7 @@ func TestPCALIGN(t *testing.T) {
 		{
 			name: "8-byte alignment",
 			code: "TEXT ·foo(SB),$0-0\nMOVQ $0, AX\nPCALIGN $8\nMOVQ $1, BX\nRET\n",
-			out:  `0x0008\s00008\s\(.*\)\tMOVQ\t\$1,\sBX`,
+			out:  `0x0010\s00016\s\(.*\)\tMOVQ\t\$1,\sBX`,
 		},
 		{
 			name: "16-byte alignment",
