Unbreak C++ tests on x86 Darwin.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53237 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ATTAsmPrinter.cpp b/lib/Target/X86/X86ATTAsmPrinter.cpp
index 463016c..a61bb22 100644
--- a/lib/Target/X86/X86ATTAsmPrinter.cpp
+++ b/lib/Target/X86/X86ATTAsmPrinter.cpp
@@ -977,8 +977,7 @@
 /// printGVStub - Print stub for a global value.
 ///
 void X86ATTAsmPrinter::printGVStub(const char *GV, const char *Prefix) {
-  if (Prefix) O << Prefix;
-  printSuffixedName(GV, "$non_lazy_ptr");
+  printSuffixedName(GV, "$non_lazy_ptr", Prefix);
   O << ":\n\t.indirect_symbol ";
   if (Prefix) O << Prefix;
   O << GV << "\n\t.long\t0\n";