Author: faisalv Date: Sat Sep 30 12:34:27 2017 New Revision: 314600 URL: http://llvm.org/viewvc/llvm-project?rev=314600&view=rev Log: [NFC] Add assertion that we assume a valid macro argument index.
Modified: cfe/trunk/lib/Lex/MacroArgs.cpp Modified: cfe/trunk/lib/Lex/MacroArgs.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Lex/MacroArgs.cpp?rev=314600&r1=314599&r2=314600&view=diff ============================================================================== --- cfe/trunk/lib/Lex/MacroArgs.cpp (original) +++ cfe/trunk/lib/Lex/MacroArgs.cpp Sat Sep 30 12:34:27 2017 @@ -118,10 +118,13 @@ unsigned MacroArgs::getArgLength(const T /// getUnexpArgument - Return the unexpanded tokens for the specified formal. /// const Token *MacroArgs::getUnexpArgument(unsigned Arg) const { + + assert(Arg < getNumMacroArguments() && "Invalid arg #"); // The unexpanded argument tokens start immediately after the MacroArgs object // in memory. const Token *Start = getTrailingObjects<Token>(); const Token *Result = Start; + // Scan to find Arg. for (; Arg; ++Result) { assert(Result < Start+NumUnexpArgTokens && "Invalid arg #"); _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits