supersize: A few fixes for Android+clang builds

tools/binary_size/libsupersize/function_signature_test.py

 #!/usr/bin/env python
 # Copyright 2017 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import logging
 import re
 import unittest
 
 import function_signature
@@ skipping 92 matching lines @@
         function_signature.Parse(SIG))
     self.assertEqual('(anonymous namespace)::Foo::Baz', got_name)
     self.assertEqual('(anonymous namespace)::Foo::Baz', got_template_name)
     self.assertEqual(SIG, got_full_name)
 
     # Top-level lambda.
     # Note: Inline lambdas do not seem to be broken into their own symbols.
     SIG = 'cc::{lambda(cc::PaintOp*)#63}::_FUN(cc::PaintOp*)'
     got_full_name, got_template_name, got_name = (
         function_signature.Parse(SIG))
-    self.assertEqual('cc::{lambda#63}', got_name)
-    self.assertEqual('cc::{lambda#63}', got_template_name)
-    self.assertEqual('cc::{lambda#63}(cc::PaintOp*)', got_full_name)
+    self.assertEqual('cc::$lambda#63', got_name)
+    self.assertEqual('cc::$lambda#63', got_template_name)
+    self.assertEqual('cc::$lambda#63(cc::PaintOp*)', got_full_name)
+
+    SIG = 'cc::$_63::__invoke(cc::PaintOp*)'
+    got_full_name, got_template_name, got_name = (
+        function_signature.Parse(SIG))
+    self.assertEqual('cc::$lambda#63', got_name)
+    self.assertEqual('cc::$lambda#63', got_template_name)
+    self.assertEqual('cc::$lambda#63(cc::PaintOp*)', got_full_name)
 
     # Data members
     check('', 'blink::CSSValueKeywordsHash::findValueImpl', '(char const*)',
           '::value_word_list')
     check('', 'foo::Bar<Z<Y> >::foo<bar>', '(abc)', '::var<baz>',
           name_without_templates='foo::Bar::foo::var')
 
 if __name__ == '__main__':
   logging.basicConfig(level=logging.DEBUG,
                       format='%(levelname).1s %(relativeCreated)6d %(message)s')
   unittest.main()