1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter.cpp
index 269b958607..b3e27c9970 100644
--- a/lib/CodeGen/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter.cpp
@@ -536,6 +536,8 @@ void AsmPrinter::EmitGlobalConstant(const Constant *CV) {
     break;
   case Type::PointerTyID:
     if (TD->getPointerSize() == 8) {
+      assert(Data64bitsDirective &&
+             "Target cannot handle 64-bit pointer exprs!");
       O << Data64bitsDirective;
       break;
     }