50   void error(const Twine &Message, StringRef Whence = "");
53   void deferError(const Twine &Message, StringRef Whence = "");
56   void deferWarning(const Twine &Message, StringRef Whence = "");
114 static std::string getErrorString(const Twine &Message, StringRef Whence,  in getErrorString()  argument
118   if (!Whence.empty())  in getErrorString()
119     Str += Whence;  in getErrorString()
124 void CodeCoverageTool::error(const Twine &Message, StringRef Whence) {  in error()  argument
125   errs() << getErrorString(Message, Whence, false);  in error()
128 void CodeCoverageTool::deferError(const Twine &Message, StringRef Whence) {  in deferError()  argument
130   DeferredMessages.emplace_back(getErrorString(Message, Whence, false));  in deferError()
133 void CodeCoverageTool::deferWarning(const Twine &Message, StringRef Whence) {  in deferWarning()  argument
135   DeferredMessages.emplace_back(getErrorString(Message, Whence, true));  in deferWarning()