From 01dd9eb5f3bfdd57d94ada63b88b1bc092155ebe Mon Sep 17 00:00:00 2001
From: robert <robert@openbsd.org>
Date: Fri, 29 May 2026 11:53:08 +0000
Subject: [PATCH] revert upstream commit
 947b9f55b5f327e14368a48fb6ce10242ea29bf3

It breaks cpp -traditional -dM

https://github.com/llvm/llvm-project/issues/200085
---
 .../clang/lib/Frontend/PrintPreprocessedOutput.cpp     | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/gnu/llvm/clang/lib/Frontend/PrintPreprocessedOutput.cpp b/gnu/llvm/clang/lib/Frontend/PrintPreprocessedOutput.cpp
index 9e046633328..f0a1e50e62d 100644
--- a/gnu/llvm/clang/lib/Frontend/PrintPreprocessedOutput.cpp
+++ b/gnu/llvm/clang/lib/Frontend/PrintPreprocessedOutput.cpp
@@ -914,7 +914,8 @@ static void PrintPreprocessedTokens(Preprocessor &PP, Token &Tok,
       PP.Lex(Tok);
       continue;
     } else if (Tok.is(tok::annot_repl_input_end)) {
-      // Fall through to exit the loop.
+      PP.Lex(Tok);
+      continue;
     } else if (Tok.is(tok::eod)) {
       // Don't print end of directive tokens, since they are typically newlines
       // that mess up our line tracking. These come from unknown pre-processor
@@ -1023,8 +1024,7 @@ static void PrintPreprocessedTokens(Preprocessor &PP, Token &Tok,
     Callbacks->setEmittedTokensOnThisLine();
     IsStartOfLine = false;
 
-    if (Tok.is(tok::eof) || Tok.is(tok::annot_repl_input_end))
-      break;
+    if (Tok.is(tok::eof)) break;
 
     PP.Lex(Tok);
     // If lexing that token causes us to need to skip future tokens, do so now.
@@ -1047,7 +1047,9 @@ static void DoPrintMacros(Preprocessor &PP, raw_ostream *OS) {
   // the macro table at the end.
   PP.EnterMainSourceFile();
 
-  PP.LexTokensUntilEOF();
+  Token Tok;
+  do PP.Lex(Tok);
+  while (Tok.isNot(tok::eof));
 
   SmallVector<id_macro_pair, 128> MacrosByID;
   for (Preprocessor::macro_iterator I = PP.macro_begin(), E = PP.macro_end();