--- a/clang/lib/Lex/Preprocessor.cpp	Thu Aug 10 15:24:13 2023 +0900
+++ b/clang/lib/Lex/Preprocessor.cpp	Thu Aug 10 16:52:17 2023 +0900
@@ -1487,6 +1487,7 @@
 Token Preprocessor::ReadFromString(const char *src , SourceLocation Loc) {
     // Push the ( "string" ) tokens into the token stream.
     MacroInfo *MI = AllocateMacroInfo(Loc);
+    SmallVector<Token, 16> Tokens;
     Token Tok;
     std::unique_ptr<Lexer> lx(new Lexer(CurLexer->getFileID(),getSourceManager().getBufferOrFake(CurLexer->getFileID(), Loc),*this));
     lx->InitLexer(src,src,src + strlen(src));
@@ -1495,14 +1496,16 @@
     int i = 0;
     while (Tok.getKind() != tok::TokenKind::eof) {
       Tok.setLocation(Loc);
-      MI->AddTokenToBody(Tok);
+      Tokens.push_back(Tok);
       Lex(Tok); i++;
     }
     Tok.setLocation(Loc);
-    MI->AddTokenToBody(Tok); i++;
+    Tokens.push_back(Tok);
+    i++;
     MI->DefinitionLength = i;
     CurLexer = std::move(lx);
     CurPPLexer = CurLexer.get();
+    MI->setTokens(Tokens, BP);
     EnterMacro(Tok, Loc, MI , 0 );
     CurTokenLexer->MacroDefLength = i;
     return Tok;