Fix debug info with SafeStack.

[oota-llvm.git] / lib / IR / DebugInfoMetadata.cpp

diff --git a/lib/IR/DebugInfoMetadata.cpp b/lib/IR/DebugInfoMetadata.cpp
index 3c293c25c912817ea033558bde5b159b88290671..7ba51f66b799b75d412ad80d99ff6cac21439205 100644 (file)
--- a/lib/IR/DebugInfoMetadata.cpp
+++ b/lib/IR/DebugInfoMetadata.cpp
@@ -496,6 +496,7 @@ unsigned DIExpression::ExprOperand::getSize() const {
   case dwarf::DW_OP_bit_piece:
     return 3;
   case dwarf::DW_OP_plus:
+  case dwarf::DW_OP_minus:
     return 2;
   default:
     return 1;
@@ -516,6 +517,7 @@ bool DIExpression::isValid() const {
       // Piece expressions must be at the end.
       return I->get() + I->getSize() == E->get();
     case dwarf::DW_OP_plus:
+    case dwarf::DW_OP_minus:
     case dwarf::DW_OP_deref:
       break;
     }