Commit bf9584b0 authored by Chris Lattner's avatar Chris Lattner
Browse files

Fail gracefully if we have a zero arg varargs function 

llvm-svn: 9436
parent 95ee0b02

llvm/lib/CWriter/Writer.cpp

+6 −0
Original line number Diff line number Diff line
@@ -1193,6 +1193,12 @@ void CWriter::visitCallInst(CallInst &I) { 
        

        Out << "va_start(*(va_list*)&" << Mang->getValueName(&I) << ", ";

        // Output the last argument to the enclosing function...

        if (I.getParent()->getParent()->aempty()) {

          std::cerr << "The C backend does not currently support zero "

                    << "argument varargs functions, such as '"

                    << I.getParent()->getParent()->getName() << "'!\n";

          abort();

        }

        writeOperand(&I.getParent()->getParent()->aback());

        Out << ")";

        return;