add FE option "-std=c++11" by default

hipamd/src/Cuda2Hip.cpp

@@ -299,17 +299,17 @@ namespace {
       const MacroDefinition &MD, SourceRange Range,
       const MacroArgs *Args) override
     {
-      if (_sm->isWrittenInMainFile(Range.getBegin()))
+      if (_sm->isWrittenInMainFile(Range.getBegin()))
       {
         for (unsigned int i = 0; Args && i < MD.getMacroInfo()->getNumArgs(); i++)
         {
           StringRef macroName = MacroNameTok.getIdentifierInfo()->getName();
           std::vector<Token> toks;
-          // Code below is a kind of stolen from 'MacroArgs::getPreExpArgument'
-          // to workaround the 'const' MacroArgs passed into this hook.
-          const Token * start = Args->getUnexpArgument(i);
-          size_t len = Args->getArgLength(start) + 1;
-          _pp->EnterTokenStream(ArrayRef<Token>(start,len), false);
+          // Code below is a kind of stolen from 'MacroArgs::getPreExpArgument'
+          // to workaround the 'const' MacroArgs passed into this hook.
+          const Token * start = Args->getUnexpArgument(i);
+          size_t len = Args->getArgLength(start) + 1;
+          _pp->EnterTokenStream(ArrayRef<Token>(start,len), false);
           do {
             toks.push_back(Token());
             Token & tk = toks.back();
@@ -657,10 +657,9 @@ int main(int argc, const char **argv) {
 
   for (auto Stage : compilationStages)
   {
-    Tool.appendArgumentsAdjuster(combineAdjusters(
-       getInsertArgumentAdjuster(Stage, ArgumentInsertPosition::BEGIN),
-       getClangSyntaxOnlyAdjuster()));
-
+    Tool.appendArgumentsAdjuster(getInsertArgumentAdjuster(Stage, ArgumentInsertPosition::BEGIN));
+    Tool.appendArgumentsAdjuster(getInsertArgumentAdjuster("-std=c++11"));
+    Tool.appendArgumentsAdjuster(getClangSyntaxOnlyAdjuster());
     Result = Tool.run(action.get());
 
 	  Tool.clearArgumentsAdjusters();