complete forward-declared DebugInfo types for c++23 constexpr

Author: Kyle Krueger

llvm/include/llvm/DebugInfo/PDB/IPDBRawSymbol.h

@@ -10,6 +10,7 @@
 #define LLVM_DEBUGINFO_PDB_IPDBRAWSYMBOL_H
 
 #include "PDBTypes.h"
+#include "llvm/DebugInfo/PDB/IPDBLineNumber.h"
 #include "llvm/ADT/BitmaskEnum.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/DebugInfo/CodeView/CodeView.h"

llvm/include/llvm/DebugInfo/PDB/PDBSymbolFunc.h

@@ -10,6 +10,7 @@
 #define LLVM_DEBUGINFO_PDB_PDBSYMBOLFUNC_H
 
 #include "llvm/DebugInfo/PDB/IPDBRawSymbol.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolTypeFunctionSig.h"
 #include "llvm/Support/Compiler.h"
 
 #include "PDBSymbol.h"
@@ -21,7 +22,6 @@ namespace pdb {
 
 class PDBSymDumper;
 class PDBSymbolData;
-class PDBSymbolTypeFunctionSig;
 template <typename ChildType> class IPDBEnumChildren;
 
 class LLVM_ABI PDBSymbolFunc : public PDBSymbol {

llvm/include/llvm/DebugInfo/PDB/PDBSymbolTypeBuiltin.h

@@ -20,6 +20,7 @@ namespace pdb {
 class LLVM_ABI PDBSymbolTypeBuiltin : public PDBSymbol {
   DECLARE_PDB_SYMBOL_CONCRETE_TYPE(PDB_SymType::BuiltinType)
 public:
+  ~PDBSymbolTypeBuiltin();
   void dump(PDBSymDumper &Dumper) const override;
 
   FORWARD_SYMBOL_METHOD(getBuiltinType)

llvm/include/llvm/DebugInfo/PDB/PDBSymbolTypeEnum.h

@@ -11,9 +11,11 @@
 
 #include "PDBSymbol.h"
 #include "PDBTypes.h"
+#include "llvm/DebugInfo/PDB/IPDBLineNumber.h"
 #include "llvm/Support/Compiler.h"
 
 #include "llvm/DebugInfo/PDB/IPDBRawSymbol.h"
+#include "llvm/DebugInfo/PDB/PDBSymbolTypeBuiltin.h"
 
 namespace llvm {
 

llvm/lib/DebugInfo/PDB/PDBSymbolTypeBuiltin.cpp

@@ -10,6 +10,12 @@
 
 #include "llvm/DebugInfo/PDB/PDBSymDumper.h"
 
+namespace llvm {
+namespace pdb {
+PDBSymbolTypeBuiltin::~PDBSymbolTypeBuiltin() = default;
+} // namespace pdb
+} // namespace llvm
+
 using namespace llvm;
 using namespace llvm::pdb;