Initial support for dumping DWARF corresponding to Swift code

src/common/dwarf_cu_to_module_unittest.cc

 // Copyright (c) 2010 Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
@@ skipping 65 matching lines @@
   MockWarningReporter(const string &filename, uint64 cu_offset)
       : DwarfCUToModule::WarningReporter(filename, cu_offset) { }
   MOCK_METHOD1(SetCUName, void(const string &name));
   MOCK_METHOD2(UnknownSpecification, void(uint64 offset, uint64 target));
   MOCK_METHOD2(UnknownAbstractOrigin, void(uint64 offset, uint64 target));
   MOCK_METHOD1(MissingSection, void(const string &section_name));
   MOCK_METHOD1(BadLineInfoOffset, void(uint64 offset));
   MOCK_METHOD1(UncoveredFunction, void(const Module::Function &function));
   MOCK_METHOD1(UncoveredLine, void(const Module::Line &line));
   MOCK_METHOD1(UnnamedFunction, void(uint64 offset));
-  MOCK_METHOD2(DemangleError, void(const string &input, int error));
+  MOCK_METHOD1(DemangleError, void(const string &input));
   MOCK_METHOD2(UnhandledInterCUReference, void(uint64 offset, uint64 target));
 };
 
 // A fixture class including all the objects needed to handle a
 // compilation unit, and their entourage. It includes member functions
 // for doing common kinds of setup and tests.
 class CUFixtureBase {
  public:
   // If we have:
   //
@@ skipping 1698 matching lines @@
   reporter.UncoveredLine(line);
   EXPECT_TRUE(reporter.uncovered_warnings_enabled());
 }
 
 TEST_F(Reporter, UnnamedFunction) {
   reporter.UnnamedFunction(0x90c0baff9dedb2d9ULL);
 }
 
 // Would be nice to also test:
 // - overlapping lines, functions