fixes #25740, substitute type parameter bound taking into account outer scope type params

pkg/analyzer/test/src/task/strong/inferred_type_test.dart

Index: pkg/analyzer/test/src/task/strong/inferred_type_test.dart
diff --git a/pkg/analyzer/test/src/task/strong/inferred_type_test.dart b/pkg/analyzer/test/src/task/strong/inferred_type_test.dart
index 663ee78c3cde942090a4776e3015e8d81a952595..17a67faca35ce2bfaeb8200f497da6a4ffd72238 100644
--- a/pkg/analyzer/test/src/task/strong/inferred_type_test.dart
+++ b/pkg/analyzer/test/src/task/strong/inferred_type_test.dart
@@ -1722,34 +1722,10 @@ void takeIIO(Object fn(int a, int b)) {}
 void takeDDO(Object fn(double a, double b)) {}
   ''');
     });
-  });
-
-  // Regression test for https://github.com/dart-lang/dev_compiler/issues/47
-  test('null literal should not infer as bottom', () {
-    checkFile('''
-      var h = null;
-      void foo(int f(Object _)) {}
-
-      main() {
-        var f = (x) => null;
-        f = (x) => 'hello';
-
-        var g = null;
-        g = 'hello';
-        (/*info:DYNAMIC_INVOKE*/g.foo());
-
-        h = 'hello';
-        (/*info:DYNAMIC_INVOKE*/h.foo());
-
-        foo(/*info:INFERRED_TYPE_CLOSURE,info:INFERRED_TYPE_CLOSURE*/(x) => null);
-        foo(/*info:INFERRED_TYPE_CLOSURE,info:INFERRED_TYPE_CLOSURE*/(x) => throw "not implemented");
-      }
-  ''');
-  });
 
-  // Regression test for https://github.com/dart-lang/sdk/issues/25668
-  test('infer generic method type', () {
-    checkFile('''
+    // Regression test for https://github.com/dart-lang/sdk/issues/25668
+    test('infer generic method type', () {
+      checkFile('''
 class C {
   /*=T*/ m/*<T>*/(/*=T*/ x) => x;
 }
@@ -1761,10 +1737,10 @@ main() {
   print(y);
 }
     ''');
-  });
+    });
 
-  test('do not infer invalid override of generic method', () {
-    checkFile('''
+    test('do not infer invalid override of generic method', () {
+      checkFile('''
 class C {
   /*=T*/ m/*<T>*/(/*=T*/ x) => x;
 }
@@ -1776,5 +1752,48 @@ main() {
   print(y);
 }
     ''');
+    });
+
+    test('correctly recognize generic upper bound', () {
+      // Regression test for https://github.com/dart-lang/sdk/issues/25740.
+      checkFile('''
+class Foo<T extends Pattern> {
+  void method/*<U extends T>*/(dynamic/*=U*/ u) {}
+}
+main() {
+  new Foo().method/*<String>*/("str");
+  new Foo();
+
+  new Foo<String>().method("str");
+  new Foo().method("str");
+
+  new Foo<String>().method(/*severe:STATIC_TYPE_ERROR*/42);
+}
+      ''');
+    });
+  });
+
+  // Regression test for https://github.com/dart-lang/dev_compiler/issues/47
+  test('null literal should not infer as bottom', () {
+    checkFile('''
+      var h = null;
+      void foo(int f(Object _)) {}
+
+      main() {
+        var f = (x) => null;
+        f = (x) => 'hello';
+
+        var g = null;
+        g = 'hello';
+        (/*info:DYNAMIC_INVOKE*/g.foo());
+
+        h = 'hello';
+        (/*info:DYNAMIC_INVOKE*/h.foo());
+
+        foo(/*info:INFERRED_TYPE_CLOSURE,info:INFERRED_TYPE_CLOSURE*/(x) => null);
+        foo(/*info:INFERRED_TYPE_CLOSURE,info:INFERRED_TYPE_CLOSURE*/(x) => throw "not implemented");
+      }
+  ''');
   });
+
 }