Issue 42788. Report MISSING_REQUIRED_ARGUMENT for 'call'.

Bug: dart-lang/sdk#42788
Change-Id: Icece8f0e9865e659187d556c582929efcb7d242e
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/156841
Reviewed-by: Brian Wilkerson <[email protected]>
Commit-Queue: Konstantin Shcheglov <[email protected]>

Author: scheglov

pkg/analyzer/lib/src/error/required_parameters_verifier.dart

@@ -40,6 +40,14 @@ class RequiredParametersVerifier extends SimpleAstVisitor<void> {
 
   @override
   void visitMethodInvocation(MethodInvocation node) {
+    if (node.methodName.name == FunctionElement.CALL_METHOD_NAME) {
+      var targetType = node.realTarget?.staticType;
+      if (targetType is FunctionType) {
+        _check(targetType.parameters, node.argumentList, node.argumentList);
+        return;
+      }
+    }
+
     _check(
       _executableElement(node.methodName.staticElement)?.parameters,
       node.argumentList,

pkg/analyzer/test/src/diagnostics/missing_required_param_test.dart

@@ -309,6 +309,18 @@ main() {
     ]);
   }
 
+  test_function_call() async {
+    await assertErrorsInCode(r'''
+void f({required int a}) {}
+
+main() {
+  f.call();
+}
+''', [
+      error(CompileTimeErrorCode.MISSING_REQUIRED_ARGUMENT, 46, 2),
+    ]);
+  }
+
   test_functionInvocation() async {
     await assertErrorsInCode(r'''
 void Function({required int a}) f() => throw '';