Fixed preprocessed output of the first token for pragmas.
Clang did not expanded macros in the very first token of the pragmas
during preprocessed output
llvm-svn: 260211
diff --git a/clang/lib/Frontend/PrintPreprocessedOutput.cpp b/clang/lib/Frontend/PrintPreprocessedOutput.cpp
index a58c935..c57a736 100644
--- a/clang/lib/Frontend/PrintPreprocessedOutput.cpp
+++ b/clang/lib/Frontend/PrintPreprocessedOutput.cpp
@@ -573,6 +573,15 @@
Token &PragmaTok) override {
// Figure out what line we went to and insert the appropriate number of
// newline characters.
+ if (ShouldExpandTokens) {
+ // The first token does not have expanded macros. Expand them, if
+ // required.
+ Token Toks[] = {PragmaTok};
+ PP.EnterTokenStream(Toks, llvm::array_lengthof(Toks),
+ /*DisableMacroExpansion=*/false,
+ /*OwnsTokens=*/false);
+ PP.Lex(PragmaTok);
+ }
Callbacks->startNewLineIfNeeded();
Callbacks->MoveToLine(PragmaTok.getLocation());
Callbacks->OS.write(Prefix, strlen(Prefix));