emit/vm: delete 全局可写内置标识符真删属性并清镜像槽——新增 DELETE_GLOBAL_PROP_C，可删名集自可写划分单源派生（除 globalThis 与宿主名），test262 delete JSON 用例由红转绿

2026-10-25 19:21:11 +08:00 · 2026-09-13 12:26:01 +00:00
parent 50674ee4f5
commit 699059aee5
9 changed files with 202 additions and 2 deletions
@@ -68,6 +68,7 @@ fn ext_word_count(bytecode: &[Instr], pc: usize) -> usize {
        | OpCode::DEFINE_PROP_ATTRS
        | OpCode::DEFINE_GLOBAL_PROP_C
        | OpCode::DEFINE_GLOBAL_PROP_C_IF_ABSENT
+        | OpCode::DELETE_GLOBAL_PROP_C
        | OpCode::DELETE_PROP_STATIC
        | OpCode::REST_OBJECT
        | OpCode::INIT_PRIVATE => 1,