[Lldb-commits] [lldb] [lldb][DWARF] Delay struct/class/union definition DIE searching when parsing declaration DIEs. (PR #90663)

[Pavel Labath via lldb-commits]

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@@ -533,9 +540,16 @@ class SymbolFileDWARF : public SymbolFileCommon {
   NameToOffsetMap m_function_scope_qualified_name_map;
   std::unique_ptr<DWARFDebugRanges> m_ranges;
   UniqueDWARFASTTypeMap m_unique_ast_type_map;
+  // A map from DIE to lldb_private::Type. For record type, the key might be
+  // either declaration DIE or definition DIE.
   DIEToTypePtr m_die_to_type;
   DIEToVariableSP m_die_to_variable_sp;
+  // A map from CompilerType to the struct/class/union/enum DIE (might be a
+  // declaration or a definition) that is used to construct it.
   CompilerTypeToDIE m_forward_decl_compiler_type_to_die;
+  // A map from a struct/class/union/enum DIE (might be a declaration or a
+  // definition) to its definition DIE.
+  DIEToDIE m_die_to_def_die;
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labath wrote:

Would it be possible to avoid creating the extra map, for example by modifying the `m_forward_decl_compiler_type_to_die` to point to the definition DIE -- after that DIE has been located?

https://github.com/llvm/llvm-project/pull/90663