[SymbolFilePDB] Get line number for PDBSymbolTypeEnum

lit/SymbolFile/PDB/enums-layout.test

 REQUIRES: windows
 RUN: clang-cl -m32 /Z7 /c /GS- %S/Inputs/SimpleTypesTest.cpp /o %T/SimpleTypesTest.cpp.enums.obj
 RUN: link %T/SimpleTypesTest.cpp.enums.obj /DEBUG /nodefaultlib /ENTRY:main /OUT:%T/SimpleTypesTest.cpp.enums.exe
 RUN: lldb-test symbols %T/SimpleTypesTest.cpp.enums.exe | FileCheck %s
 
 ; FIXME: PDB does not have information about scoped enumeration (Enum class) so the  
 ; compiler type used is the same as the one for unscoped enumeration.
 
 CHECK: Module [[CU:.*]]
 CHECK-DAG: {{^[0-9A-F]+}}: SymbolVendor ([[CU]])
-CHECK:      Type{{.*}} , name = "Enum", size = 4, compiler_type = {{.*}} enum Enum {
+CHECK:      Type{{.*}} , name = "Enum", size = 4, decl = SimpleTypesTest.cpp:19, compiler_type = {{.*}} enum Enum {
 CHECK-NEXT:    RED,
 CHECK-NEXT:    GREEN,
 CHECK-NEXT:    BLUE
 CHECK-NEXT:}
 
-CHECK:      Type{{.*}} , name = "EnumConst", size = 4, compiler_type = {{.*}} enum EnumConst {
+CHECK:      Type{{.*}} , name = "EnumConst", size = 4,  decl = SimpleTypesTest.cpp:22, compiler_type = {{.*}} enum EnumConst {
 CHECK-NEXT:    LOW,
 CHECK-NEXT:    NORMAL,
 CHECK-NEXT:    HIGH
 CHECK-NEXT:}
 
-CHECK:      Type{{.*}} , name = "EnumEmpty", size = 4, compiler_type = {{.*}} enum EnumEmpty {
+CHECK:      Type{{.*}} , name = "EnumEmpty", size = 4,  decl = SimpleTypesTest.cpp:25, compiler_type = {{.*}} enum EnumEmpty {
 CHECK-NEXT:}
 
-CHECK:      Type{{.*}} , name = "EnumUChar", size = 1, compiler_type = {{.*}} enum EnumUChar {
+CHECK:      Type{{.*}} , name = "EnumUChar", size = 1,  decl = SimpleTypesTest.cpp:28, compiler_type = {{.*}} enum EnumUChar {
 CHECK-NEXT:    ON,
 CHECK-NEXT:    OFF,
 CHECK-NEXT:    AUTO
 CHECK-NEXT:}
 
 ; Note that `enum EnumClass` is tested instead of `enum class EnumClass`
-CHECK:      Type{{.*}} , name = "EnumClass", size = 4, compiler_type = {{.*}} enum EnumClass {
+CHECK:      Type{{.*}} , name = "EnumClass", size = 4,  decl = SimpleTypesTest.cpp:32, compiler_type = {{.*}} enum EnumClass {
 CHECK-NEXT:    YES,
 CHECK-NEXT:    NO,
 CHECK-NEXT:    DEFAULT
 CHECK-NEXT:}
 
-CHECK:      Type{{.*}} , name = "EnumStruct", size = 4, compiler_type = {{.*}} enum EnumStruct {
+CHECK:      Type{{.*}} , name = "EnumStruct", size = 4,  decl = SimpleTypesTest.cpp:35, compiler_type = {{.*}} enum EnumStruct {
 CHECK-NEXT:    red,
 CHECK-NEXT:    blue,
 CHECK-NEXT:    black
 CHECK-NEXT:}
 
 CHECK-DAG: {{^[0-9A-F]+}}:   CompileUnit{{[{]0x[0-9a-f]+[}]}}, language = "c++", file = '{{.*}}\SimpleTypesTest.cpp'

source/Plugins/SymbolFile/PDB/PDBASTParser.cpp

ConstString GetPDBBuiltinTypeName(const PDBSymbolTypeBuiltin *pdb_type,
   case PDB_BuiltinType::None:
     return ConstString("...");
   }
   return compiler_type.GetTypeName();
 }
 
 bool GetDeclarationForSymbol(const PDBSymbol &symbol, Declaration &decl) {
   auto &raw_sym = symbol.getRawSymbol();
+  auto first_line_up = raw_sym.getSrcLineOnTypeDefn();
+
+  if (!first_line_up) {
     auto lines_up = symbol.getSession().findLineNumbersByAddress(
         raw_sym.getVirtualAddress(), raw_sym.getLength());
     if (!lines_up)
       return false;
-  auto first_line_up = lines_up->getNext();
+    first_line_up = lines_up->getNext();
     if (!first_line_up)
       return false;
-
+  }
   uint32_t src_file_id = first_line_up->getSourceFileId();
   auto src_file_up = symbol.getSession().getSourceFileById(src_file_id);
   if (!src_file_up)
     return false;
 
   FileSpec spec(src_file_up->getFileName(), /*resolve_path*/false);
   decl.SetFile(spec);
   decl.SetColumn(first_line_up->getColumnNumber());
if (enum_values) {
         if (enum_value->getDataKind() != PDB_DataKind::Constant)
           continue;
         AddEnumValue(ast_enum, *enum_value);
       }
     }
     if (ClangASTContext::StartTagDeclarationDefinition(ast_enum))
       ClangASTContext::CompleteTagDeclarationDefinition(ast_enum);
 
+    GetDeclarationForSymbol(type, decl);
     return std::make_shared<lldb_private::Type>(
         type.getSymIndexId(), m_ast.GetSymbolFile(), ConstString(name), bytes,
         nullptr, LLDB_INVALID_UID, lldb_private::Type::eEncodingIsUID, decl,
         ast_enum, lldb_private::Type::eResolveStateFull);
   } break;
   case PDB_SymType::Typedef: {
     auto type_def = llvm::dyn_cast<PDBSymbolTypeTypedef>(&type);
     assert(type_def);