diff --git a/isa/BUILD.gn b/isa/BUILD.gn
index 52bb0060e7f946ef576c288edb10b64babce9f6a..6ef9bdd10c62b5b1589304ea2e17fce6ccc50cf0 100644
--- a/isa/BUILD.gn
+++ b/isa/BUILD.gn
@@ -13,11 +13,7 @@
 
 import("//arkcompiler/runtime_core/ark_config.gni")
 
-isa_paths = [
-  rebase_path("$ark_root/isa/isa.yaml", root_build_dir),
-  #  rebase_path("$ark_root/../ets_runtime/ecmascript/ecma_isa.yaml",
-  #              root_build_dir),
-]
+isa_paths = [ rebase_path("$ark_root/isa/isa.yaml", root_build_dir) ]
 
 foreach(plugin, enabled_plugins) {
   print("add isa plugin: $plugin")
diff --git a/isa/isa.yaml b/isa/isa.yaml
index c04ea066edf58cc8b8f13c033ff1bdaa4a632711..d187418c9bb32acefa520262e00bb4808a3e409b 100644
--- a/isa/isa.yaml
+++ b/isa/isa.yaml
@@ -251,7 +251,7 @@ isa_information:
       last_opcode_idx: 0xd5
       last_throw_prefixed_opcode_idx: 0x08
       last_wide_prefixed_opcode_idx: 0x13
-      last_deprecated_prefixed_opcode_idx: 0x2e
+      last_deprecated_prefixed_opcode_idx: 0x2f
 
 prefixes:
   - name: throw
@@ -1398,6 +1398,11 @@ groups:
         opcode_idx: [0x2e]
         format: [pref_op_v1_8_v2_8]
         prefix: deprecated
+      - sig: deprecated.stlexenv
+        acc: none
+        opcode_idx: [0x2f]
+        format: [pref_op_none]
+        prefix: deprecated
 
   - title: Load accumulator from string constant pool
     description: >
diff --git a/libpandafile/file_items.h b/libpandafile/file_items.h
index 9b68d503206bb9636a45917400aaa3e594427cad..a5b737c460eb00ca1c04c32d8eae8975529c6174 100644
--- a/libpandafile/file_items.h
+++ b/libpandafile/file_items.h
@@ -78,7 +78,8 @@ enum class FunctionKind : uint8_t {
     GENERATOR_FUNCTION = 0x3,
     ASYNC_FUNCTION = 0x4,
     ASYNC_GENERATOR_FUNCTION = 0x5,
-    ASYNC_NC_FUNCTION = 0x6
+    ASYNC_NC_FUNCTION = 0x6,
+    CONCURRENT_FUNCTION = 0x7
 };
 
 bool IsDynamicLanguage(panda::panda_file::SourceLang lang);
@@ -757,13 +758,13 @@ public:
     void SetFunctionKind(FunctionKind kind)
     {
         access_flags_ &= (~FUNCTION_KIND_MASK);
-        access_flags_ |= (static_cast<uint8_t>(kind) << FLAG_WIDTH);
+        access_flags_ |= (static_cast<uint32_t>(kind) << FLAG_WIDTH);
     }
 
     void SetHeaderIndex(uint16_t idx)
     {
         access_flags_ &= (FUNCTION_KIND_MASK | FLAG_MASK);
-        access_flags_ |= (idx << (FUNTION_KIND_WIDTH + FLAG_WIDTH));
+        access_flags_ |= (static_cast<uint32_t>(idx) << (FUNTION_KIND_WIDTH + FLAG_WIDTH));
     }
 
     ~BaseMethodItem() override = default;