go source for verification 2026-05-22

test/directive2.go

@@ -0,0 +1,58 @@
+// errorcheck
+
+// Copyright 2020 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Verify that misplaced directives are diagnosed.
+
+// ok
+//go:build !ignore
+
+package main
+
+//go:build bad // ERROR "misplaced compiler directive"
+
+//go:noinline // ERROR "misplaced compiler directive"
+type (
+	T2  int //go:noinline // ERROR "misplaced compiler directive"
+	T2b int
+	T2c int
+	T3  int
+)
+
+//go:noinline // ERROR "misplaced compiler directive"
+type (
+	T4 int
+)
+
+//go:noinline // ERROR "misplaced compiler directive"
+type ()
+
+type T5 int
+
+func g() {} //go:noinline // ERROR "misplaced compiler directive"
+
+// ok: attached to f (duplicated yes, but ok)
+//go:noinline
+
+//go:noinline
+func f() {
+	//go:noinline // ERROR "misplaced compiler directive"
+	x := 1
+
+	//go:noinline // ERROR "misplaced compiler directive"
+	{
+		_ = x //go:noinline // ERROR "misplaced compiler directive"
+	}
+	var y int //go:noinline // ERROR "misplaced compiler directive"
+	//go:noinline // ERROR "misplaced compiler directive"
+	_ = y
+
+	const c = 1
+
+	_ = func() {}
+}
+
+// EOF
+//go:noinline // ERROR "misplaced compiler directive"