diff options
Diffstat (limited to 'lib/MC')
| -rw-r--r-- | lib/MC/MCParser/AsmParser.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp index 2d61cac62585b..8aef43cb0b4cf 100644 --- a/lib/MC/MCParser/AsmParser.cpp +++ b/lib/MC/MCParser/AsmParser.cpp @@ -1527,11 +1527,11 @@ 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(); + // If the last argument didn't end up with any tokens, it's not a real + // argument and we should remove it from the list. This happens with either + // a tailing comma or an empty argument list. + if (MacroArguments.back().empty()) + MacroArguments.pop_back(); // Macro instantiation is lexical, unfortunately. We construct a new buffer // to hold the macro body with substitutions. |