Unweaken vtables as per http://llvm.org/docs/CodingStandards.html#ll_virtual_anch

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146960 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Analysis/DebugInfo.h

@@ -153,6 +153,7 @@ namespace llvm {
 
   /// DIScope - A base class for various scopes.
   class DIScope : public DIDescriptor {
+    virtual void anchor();
   public:
     explicit DIScope(const MDNode *N = 0) : DIDescriptor (N) {}
     virtual ~DIScope() {}
@@ -163,6 +164,7 @@ namespace llvm {
 
   /// DICompileUnit - A wrapper for a compile unit.
   class DICompileUnit : public DIScope {
+    virtual void anchor();
   public:
     explicit DICompileUnit(const MDNode *N = 0) : DIScope(N) {}
 
@@ -202,6 +204,7 @@ namespace llvm {
 
   /// DIFile - This is a wrapper for a file.
   class DIFile : public DIScope {
+    virtual void anchor();
   public:
     explicit DIFile(const MDNode *N = 0) : DIScope(N) {
       if (DbgNode && !isFile())
@@ -230,7 +233,7 @@ namespace llvm {
   /// FIXME: Types should be factored much better so that CV qualifiers and
   /// others do not require a huge and empty descriptor full of zeros.
   class DIType : public DIScope {
-  public:
+    virtual void anchor();
   protected:
     // This ctor is used when the Tag has already been validated by a derived
     // ctor.
@@ -240,7 +243,6 @@ namespace llvm {
 
     /// Verify - Verify that a type descriptor is well formed.
     bool Verify() const;
-  public:
     explicit DIType(const MDNode *N);
     explicit DIType() {}
     virtual ~DIType() {}
@@ -320,6 +322,7 @@ namespace llvm {
 
   /// DIBasicType - A basic type, like 'int' or 'float'.
   class DIBasicType : public DIType {
+    virtual void anchor();
   public:
     explicit DIBasicType(const MDNode *N = 0) : DIType(N) {}
 
@@ -338,6 +341,7 @@ namespace llvm {
   /// DIDerivedType - A simple derived type, like a const qualified type,
   /// a typedef, a pointer or reference, etc.
   class DIDerivedType : public DIType {
+    virtual void anchor();
   protected:
     explicit DIDerivedType(const MDNode *N, bool, bool)
       : DIType(N, true, true) {}
@@ -391,6 +395,7 @@ namespace llvm {
   /// other types, like a function or struct.
   /// FIXME: Why is this a DIDerivedType??
   class DICompositeType : public DIDerivedType {
+    virtual void anchor();
   public:
     explicit DICompositeType(const MDNode *N = 0)
       : DIDerivedType(N, true, true) {
@@ -454,6 +459,7 @@ namespace llvm {
 
   /// DISubprogram - This is a wrapper for a subprogram (e.g. a function).
   class DISubprogram : public DIScope {
+    virtual void anchor();
   public:
     explicit DISubprogram(const MDNode *N = 0) : DIScope(N) {}
 
@@ -687,6 +693,7 @@ namespace llvm {
 
   /// DILexicalBlock - This is a wrapper for a lexical block.
   class DILexicalBlock : public DIScope {
+    virtual void anchor();
   public:
     explicit DILexicalBlock(const MDNode *N = 0) : DIScope(N) {}
     DIScope getContext() const       { return getFieldAs<DIScope>(1);      }
@@ -705,6 +712,7 @@ namespace llvm {
   /// DILexicalBlockFile - This is a wrapper for a lexical block with
   /// a filename change.
   class DILexicalBlockFile : public DIScope {
+    virtual void anchor();
   public:
     explicit DILexicalBlockFile(const MDNode *N = 0) : DIScope(N) {}
     DIScope getContext() const { return getScope().getContext(); }
@@ -724,6 +732,7 @@ namespace llvm {
 
   /// DINameSpace - A wrapper for a C++ style name space.
   class DINameSpace : public DIScope { 
+    virtual void anchor();
   public:
     explicit DINameSpace(const MDNode *N = 0) : DIScope(N) {}
     DIScope getContext() const     { return getFieldAs<DIScope>(1);      }