fixed -Wmissing-noreturn Clang warnings

Author: firewave

gui/cppchecklibrarydata.cpp

@@ -33,12 +33,12 @@
 const unsigned int CppcheckLibraryData::Function::Arg::ANY = ~0U;
 const unsigned int CppcheckLibraryData::Function::Arg::VARIADIC = ~1U;
 
-static std::string unhandledElement(const QXmlStreamReader &xmlReader)
+NORETURN static std::string unhandledElement(const QXmlStreamReader &xmlReader)
 {
     throw std::runtime_error(QObject::tr("line %1: Unhandled element %2").arg(xmlReader.lineNumber()).arg(xmlReader.name().toString()).toStdString());
 }
 
-static std::string mandatoryAttibuteMissing(const QXmlStreamReader &xmlReader, const QString& attributeName)
+NORETURN static std::string mandatoryAttibuteMissing(const QXmlStreamReader &xmlReader, const QString& attributeName)
 {
     throw std::runtime_error(QObject::tr("line %1: Mandatory attribute '%2' missing in '%3'")
                              .arg(xmlReader.lineNumber())

test/testexecutor.cpp

@@ -38,7 +38,7 @@ class DummyExecutor : public Executor
         : Executor(files, fileSettings, settings, suppressions, errorLogger)
     {}
 
-    unsigned int check() override
+    NORETURN unsigned int check() override
     {
         throw std::runtime_error("not implemented");
     }