Make sure the assembler-with-cpp hack for "#" works with multiple "#"s in

succession. Fixes PR16363.

llvm-svn: 184240

clang/lib/Lex/PPDirectives.cpp

@@ -1920,6 +1920,8 @@ void Preprocessor::HandleDefineDirective(Token &DefineTok,
         // confused.
         if (getLangOpts().AsmPreprocessor && Tok.isNot(tok::eod)) {
           LastTok.setKind(tok::unknown);
+          MI->AddTokenToBody(LastTok);
+          continue;
         } else {
           Diag(Tok, diag::err_pp_stringize_not_parameter);
           ReleaseMacroInfo(MI);

clang/test/Preprocessor/assembler-with-cpp.c

@@ -77,3 +77,7 @@
 // rdar://8823139
 # ##
 // CHECK-Identifiers-False: # ##
+
+#define X(a) # # # 1
+X(1)
+// CHECK-Identifiers-False: # # # 1