From 2c8e0ac85c89eff01e7a44ce0c0751010cca6c74 Mon Sep 17 00:00:00 2001 From: Jim Grosbach Date: Sat, 17 Mar 2012 00:11:42 +0000 Subject: MC asm parser macro argument count was wrong when empty. evaluated to '1' when the argument list was empty (should be '0'). rdar://11057257 llvm-svn: 152967 --- llvm/lib/MC/MCParser/AsmParser.cpp | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'llvm/lib/MC/MCParser') diff --git a/llvm/lib/MC/MCParser/AsmParser.cpp b/llvm/lib/MC/MCParser/AsmParser.cpp index bd5956f9b48..41ad1642d28 100644 --- a/llvm/lib/MC/MCParser/AsmParser.cpp +++ b/llvm/lib/MC/MCParser/AsmParser.cpp @@ -1528,6 +1528,11 @@ bool AsmParser::HandleMacroEntry(StringRef Name, SMLoc NameLoc, } Lex(); } + // If there weren't any arguments, erase the token vector so everything + // else knows that. Leaving around the vestigal empty token list confuses + // things. + if (MacroArguments.size() == 1 && MacroArguments.back().empty()) + MacroArguments.clear(); // Macro instantiation is lexical, unfortunately. We construct a new buffer // to hold the macro body with substitutions. -- cgit v1.2.3