Grabbing (missing) methods on function pointers would cause crash #2434.

releasenotes.md

@@ -67,6 +67,7 @@
 - `has_tagof` on tagged lambdas returns false #2432
 - Properly add "inlined at" for generic instantiation errors #2382.
 - Inlining a const as an lvalue would take the wrong path and corrupt the expression node.
+- Grabbing (missing) methods on function pointers would cause crash #2434.
 
 ### Stdlib changes
 - Add `==` to `Pair`, `Triple` and TzDateTime. Add print to `Pair` and `Triple`.

src/compiler/sema_name_resolution.c

@@ -971,6 +971,7 @@ Decl *sema_resolve_type_method(SemaContext *context, CanonicalType *type, const
 				return NULL;
 		}
 	}
+	if (!type_may_have_method(type)) return NULL;
 	Decl *type_decl = type->decl;
 	if (!decl_ok(type_decl)) return poisoned_decl;
 	Methods *methods = type_decl->method_table;

test/test_suite/methods/method_on_non_valid_type.c3

@@ -0,0 +1,14 @@
+module app;
+
+typedef Foo = int;
+fn void Foo.method(&self)
+{
+	self.method.anything = null; // #error: There is no member or method
+}
+
+fn int main()
+{
+	Foo bar;
+	bar.method();
+	return 0;
+}