runtime/internal/startlinetest: add NO_LOCAL_POINTERS macro to asm function

Should fix the mayMoreStack test.

Change-Id: Iab99192629ab62ced81e95d756f2dd15f9b7e869
Reviewed-on: https://go-review.googlesource.com/c/go/+/443064
Auto-Submit: Austin Clements <austin@google.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Austin Clements <austin@google.com>
Run-TryBot: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>

src/runtime/internal/startlinetest/func_amd64.s

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+#include "funcdata.h"
 #include "textflag.h"
 
 // Assembly function for runtime_test.TestStartLineAsm.
@@ -20,6 +21,7 @@
 // callerStartLine since it is in a different package.
 
 TEXT	·AsmFunc<ABIInternal>(SB),NOSPLIT,$8-0
+	NO_LOCAL_POINTERS
 	MOVQ	$0, AX // wantInlined
 	CALL    runtime_test·callerStartLine<ABIInternal>(SB)
 	RET

src/runtime/start_line_amd64_test.go

@@ -13,7 +13,7 @@ import (
 // is only tested on amd64 to avoid the need for a proliferation of per-arch
 // copies of this function.
 func TestStartLineAsm(t *testing.T) {
-	const wantLine = 22
+	const wantLine = 23
 	got := startlinetest.AsmFunc()
 	if got != wantLine {
 		t.Errorf("start line got %d want %d", got, wantLine)