MC: fix possible NULL pointer dereference

Avoid NULL pointer scenario found via clang's static analyzer. llvm-svn: 203745
2014-03-13 02:09:51 +00:00 · 2014-03-13 02:09:51 +00:00 · ac58e9fc0b
commit ac58e9fc0b
parent ac1b1d7bfc
1 changed files with 1 additions and 1 deletions
--- a/llvm/lib/MC/MCParser/AsmParser.cpp
+++ b/llvm/lib/MC/MCParser/AsmParser.cpp
@ -2005,7 +2005,7 @@ bool AsmParser::parseMacroArguments(const MCAsmMacro *M,
      if (FAI >= NParameters) {
        Error(IDLoc,
              "parameter named '" + FA.Name + "' does not exist for macro '" +
-              M->Name + "'");
+              (M ? M->Name : "<unamed>") + "'");
        return true;
      }
      PI = FAI;