Remove weak vtables. No functional change.

llvm-svn: 197323
diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 5d49831..f704f7a 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -2256,3 +2256,6 @@
 
   report_fatal_error("no GCMetadataPrinter registered for GC: " + Twine(Name));
 }
+
+/// Pin vtable to this file.
+AsmPrinterHandler::~AsmPrinterHandler() {}
diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinterHandler.h b/llvm/lib/CodeGen/AsmPrinter/AsmPrinterHandler.h
index 2e7dcf6..2825367 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinterHandler.h
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinterHandler.h
@@ -27,7 +27,7 @@
 /// or EH information.
 class AsmPrinterHandler {
 public:
-  virtual ~AsmPrinterHandler() {}
+  virtual ~AsmPrinterHandler();
 
   /// \brief For symbols that have a size designated (e.g. common symbols),
   /// this tracks that size.
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
index 709f5be..87a3891 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
@@ -1998,6 +1998,9 @@
   Asm->EmitInt8(Asm->getDataLayout().getPointerSize());
 }
 
+DwarfCompileUnit::~DwarfCompileUnit() {}
+DwarfTypeUnit::~DwarfTypeUnit() {}
+
 void DwarfTypeUnit::emitHeader(const MCSection *ASection,
                                const MCSymbol *ASectionSym) const {
   DwarfUnit::emitHeader(ASection, ASectionSym);
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h
index 6242a05..98623db 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfUnit.h
@@ -500,6 +500,7 @@
 public:
   DwarfCompileUnit(unsigned UID, DIE *D, DICompileUnit Node, AsmPrinter *A,
                    DwarfDebug *DW, DwarfFile *DWU);
+  virtual ~DwarfCompileUnit() LLVM_OVERRIDE;
 
   /// createGlobalVariableDIE - create global variable DIE.
   void createGlobalVariableDIE(DIGlobalVariable GV);
@@ -520,6 +521,7 @@
 public:
   DwarfTypeUnit(unsigned UID, DIE *D, uint16_t Language, AsmPrinter *A,
                 DwarfDebug *DW, DwarfFile *DWU);
+  virtual ~DwarfTypeUnit() LLVM_OVERRIDE;
 
   void setTypeSignature(uint64_t Signature) { TypeSignature = Signature; }
   void setType(const DIE *Ty) { this->Ty = Ty; }