diff --git a/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp b/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp index 000d93ff1b0..f79b2ab6f91 100644 --- a/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfPrinter.cpp @@ -247,17 +247,19 @@ void DwarfPrinter::EmitFrameMoves(MCSymbol *BaseLabel, for (unsigned i = 0, N = Moves.size(); i < N; ++i) { const MachineMove &Move = Moves[i]; + MCSymbol *Label = 0; unsigned LabelID = Move.getLabelID(); // Throw out move if the label is invalid. - if (LabelID == 0) continue; - MCSymbol *Label = getDWLabel("label", LabelID); - if (!Label->isDefined()) continue; // Not emitted, in dead code. + if (LabelID) { + Label = getDWLabel("label", LabelID); + if (!Label->isDefined()) continue; // Not emitted, in dead code. + } const MachineLocation &Dst = Move.getDestination(); const MachineLocation &Src = Move.getSource(); // Advance row if new location. - if (BaseLabel) { + if (BaseLabel && Label) { MCSymbol *ThisSym = Label; if (ThisSym != BaseLabel) { EmitCFAByte(dwarf::DW_CFA_advance_loc4);