Remove dead code

Author: adrian-prantl

include/swift/RemoteInspection/TypeLowering.h

@@ -363,7 +363,7 @@ class ArrayTypeInfo : public TypeInfo {
                                 int *extraInhabitantIndex) const override;
 
   BitMask getSpareBits(TypeConverter &TC, bool &hasAddrOnly) const override;
-
+  const TypeInfo *getElementTypeInfo() const { return ElementTI; }
   static bool classof(const TypeInfo *TI) {
     return TI->getKind() == TypeInfoKind::Array;
   }

lib/IRGen/DebugTypeInfo.cpp

@@ -179,19 +179,12 @@ TypeDecl *DebugTypeInfo::getDecl() const {
   return nullptr;
 }
 
-bool DebugTypeInfo::isForwardDecl() const {
-  return isNull() || (!isa<TypeAliasType>(getType()));
-}
-
 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
 LLVM_DUMP_METHOD void DebugTypeInfo::dump() const {
   llvm::errs() << "[";
   llvm::errs() << "Alignment " << Align.getValue() << "] ";
   if (auto *Type = getType())
     Type->dump(llvm::errs());
-
-  if (isForwardDecl())
-    llvm::errs() << "forward-declared\n";
 }
 #endif
 

lib/IRGen/DebugTypeInfo.h

@@ -97,7 +97,6 @@ class DebugTypeInfo {
 
   Alignment getAlignment() const { return Align; }
   bool isNull() const { return !Type; }
-  bool isForwardDecl() const;
   bool isMetadataType() const { return IsMetadataType; }
   bool hasDefaultAlignment() const { return DefaultAlignment; }
   bool isFixedBuffer() const { return IsFixedBuffer; }