[llvm] r298865 - Remove unneccessary virtual destructor from DwarfExpression.

[Adrian Prantl via llvm-commits]

Author: adrian
Date: Mon Mar 27 12:34:04 2017
New Revision: 298865

URL: http://llvm.org/viewvc/llvm-project?rev=298865&view=rev
Log:
Remove unneccessary virtual destructor from DwarfExpression.

Modified:
    llvm/trunk/lib/CodeGen/AsmPrinter/DwarfExpression.h

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfExpression.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfExpression.h?rev=298865&r1=298864&r2=298865&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfExpression.h (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfExpression.h Mon Mar 27 12:34:04 2017
@@ -171,9 +171,9 @@ protected:
   /// expression.  See PR21176 for more details.
   void addStackValue();
 
+  ~DwarfExpression() = default;
 public:
   DwarfExpression(unsigned DwarfVersion) : DwarfVersion(DwarfVersion) {}
-  virtual ~DwarfExpression() {};
 
   /// This needs to be called last to commit any pending changes.
   void finalize();
@@ -211,7 +211,7 @@ public:
 };
 
 /// DwarfExpression implementation for .debug_loc entries.
-class DebugLocDwarfExpression : public DwarfExpression {
+class DebugLocDwarfExpression final : public DwarfExpression {
   ByteStreamer &BS;
 
   void emitOp(uint8_t Op, const char *Comment = nullptr) override;
@@ -225,7 +225,7 @@ public:
 };
 
 /// DwarfExpression implementation for singular DW_AT_location.
-class DIEDwarfExpression : public DwarfExpression {
+class DIEDwarfExpression final : public DwarfExpression {
 const AsmPrinter ≈
   DwarfUnit &DU;
   DIELoc ¨