Parse type variables of local functions before return type.

pkg/analyzer/lib/src/fasta/ast_builder.dart

Index: pkg/analyzer/lib/src/fasta/ast_builder.dart
diff --git a/pkg/analyzer/lib/src/fasta/ast_builder.dart b/pkg/analyzer/lib/src/fasta/ast_builder.dart
index 246972e45dbb854fdec7b6f532771a3d4374fc30..8a2c5565d6a6048b9a1cb2e0b65b9f1ac420fa1c 100644
--- a/pkg/analyzer/lib/src/fasta/ast_builder.dart
+++ b/pkg/analyzer/lib/src/fasta/ast_builder.dart
@@ -1533,12 +1533,12 @@ class AstBuilder extends ScopeListener {
     pop(); // constructor initializers
     pop(); // separator before constructor initializers
     FormalParameterList parameters = pop();
-    TypeParameterList typeParameters = pop();
-    FunctionExpression functionExpression =
-        ast.functionExpression(typeParameters, parameters, body);
     SimpleIdentifier name = pop();
     TypeAnnotation returnType = pop();
     pop(); // modifiers
+    TypeParameterList typeParameters = pop();
+    FunctionExpression functionExpression =
+        ast.functionExpression(typeParameters, parameters, body);
     push(ast.functionDeclarationStatement(ast.functionDeclaration(
         null, null, null, returnType, null, name, functionExpression)));
   }