================
@@ -1667,13 +1791,40 @@ DWARFASTParserClang::ParseStructureLikeDIE(const
SymbolContext &sc,
}
if (dwarf->GetUniqueDWARFASTTypeMap().Find(
- unique_typename, die, unique_decl, attrs.byte_size.value_or(-1),
- *unique_ast_entry_up)) {
+ unique_typename, die, unique_decl, byte_size,
+ attrs.is_forward_declaration, *unique_ast_entry_up)) {
type_sp = unique_ast_entry_up->m_type_sp;
if (type_sp) {
dwarf->GetDIEToType()[die.GetDIE()] = type_sp.get();
LinkDeclContextToDIE(
GetCachedClangDeclContextForDIE(unique_ast_entry_up->m_die), die);
+ if (!attrs.is_forward_declaration) {
+ // If the DIE being parsed in this function is a definition and the
+ // entry in the map is a declaration, then we need to update the
entry
+ // to point to the definition DIE.
+ if (unique_ast_entry_up->m_is_forward_declaration) {
+ unique_ast_entry_up->m_die = die;
+ unique_ast_entry_up->m_byte_size = byte_size;
+ unique_ast_entry_up->m_declaration = unique_decl;
+ unique_ast_entry_up->m_is_forward_declaration = false;
+ // Need to update Type ID to refer to the definition DIE. because
+ // it's used in ParseSubroutine to determine if we need to copy cxx
+ // method types from a declaration DIE to this definition DIE.
+ type_sp->SetID(die.GetID());
+ clang_type = type_sp->GetForwardCompilerType();
+ if (attrs.class_language != eLanguageTypeObjC &&
+ attrs.class_language != eLanguageTypeObjC_plus_plus)
+ TypeSystemClang::StartTagDeclarationDefinition(clang_type);
+
+ CompilerType compiler_type_no_qualifiers =
+ ClangUtil::RemoveFastQualifiers(clang_type);
+ auto result = dwarf->GetForwardDeclCompilerTypeToDIE().try_emplace(
----------------
ZequanWu wrote:
It doesn't compile, because the value of the map is a DIERef, which doesn't
have zero-argument constructor (can only constructed with 1 or 3 arguments).
DIERef is a reference to a parsed DIE, so adding a zero-argument constructor
for it doesn't quite make sense.
https://github.com/llvm/llvm-project/pull/90663
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