Update to go1.24.0

test/wasmexport.go

@@ -0,0 +1,19 @@
+// errorcheck
+
+// Copyright 2024 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.
+
+//go:build wasm
+
+package p
+
+//go:wasmexport F
+func F() {} // OK
+
+type S int32
+
+//go:wasmexport M
+func (S) M() {} // ERROR "cannot use //go:wasmexport on a method"