diff --git a/runtime/ecma_entrypoints.cpp b/runtime/ecma_entrypoints.cpp
index 5804990871784402a7aeb35253190b58c795a9ef..73245ee68f41b18357bcc14fb74d9923d7c7a718 100644
--- a/runtime/ecma_entrypoints.cpp
+++ b/runtime/ecma_entrypoints.cpp
@@ -26,12 +26,12 @@ extern "C" uintptr_t JSGetGlobalVarAddress(uint32_t id)
     auto thread = JSThread::GetCurrent();
     JSTaggedValue key = GetConstantPool(thread)->GetObjectFromCache(id);
     auto global_obj = thread->GetGlobalObject();
+    [[maybe_unused]] EcmaHandleScope scope(thread);
+    JSHandle<JSObject> global_handle(thread, global_obj);
     ObjectOperator op(thread, global_obj, key);
     auto res = op.GetValue();
     if (res.IsUndefined() || !res.IsPropertyBox()) {
         PropertyAttributes attributes = PropertyAttributes::Default(true, true, false);
-        [[maybe_unused]] EcmaHandleScope scope(thread);
-        JSHandle<JSObject> global_handle(thread, global_obj);
         // Reread key because GC can move it in ctor of ObjectOperator
         JSHandle<JSTaggedValue> key_handle(thread, GetConstantPool(thread)->GetObjectFromCache(id));
         op.AddProperty(global_handle, key_handle, attributes);
diff --git a/runtime/interpreter/ecma-interpreter-inl.h b/runtime/interpreter/ecma-interpreter-inl.h
index 915c68f6fcb30a1d90ac5cc115c442bbfb762316..2f1a48c65dad02bcd21f85ad7db5edf61105610f 100644
--- a/runtime/interpreter/ecma-interpreter-inl.h
+++ b/runtime/interpreter/ecma-interpreter-inl.h
@@ -372,6 +372,9 @@ public:
                 return;
             }
 
+            // CSA reports js_function usage after GC triggered in ThrowStackOverflowException.
+            // In this case control doesn't reach this point.
+            // SUPPRESS_CSA_NEXTLINE(alpha.core.WasteObjHeader)
             ConstantPool *constant_pool = ConstantPool::Cast(js_function->GetConstantPool().GetHeapObject());
             JSTaggedValue lexical_env = js_function->GetLexicalEnv();
 
diff --git a/runtime/interpreter/fast_runtime_stub-inl.h b/runtime/interpreter/fast_runtime_stub-inl.h
index 8d3f59f1b28281082a177672c8abe4b31eef0eb0..a5fa6d121b6ff3f1df630ba7f31426fb67b3025c 100644
--- a/runtime/interpreter/fast_runtime_stub-inl.h
+++ b/runtime/interpreter/fast_runtime_stub-inl.h
@@ -669,14 +669,17 @@ JSTaggedValue FastRuntimeStub::FastGetPropertyByName(JSThread *thread, JSHandle<
 {
     INTERPRETER_TRACE(thread, FastGetPropertyByName);
     ASSERT(key->IsStringOrSymbol());
-    JSTaggedValue raw_key = key.GetTaggedValue();
-    if (raw_key.IsString() && !EcmaString::Cast(raw_key.GetTaggedObject())->IsInternString()) {
-        raw_key = JSTaggedValue(thread->GetEcmaVM()->GetFactory()->InternString(key));
+    JSTaggedType raw_key = key->GetRawData();
+    if (key->IsString() && !EcmaString::Cast(key->GetTaggedObject())->IsInternString()) {
+        raw_key = ToUintPtr(thread->GetEcmaVM()->GetFactory()->InternString(key));
     }
-    JSTaggedValue result = FastRuntimeStub::GetPropertyByName(thread, receiver.GetTaggedValue(), raw_key);
+    [[maybe_unused]] size_t gc = thread->GetEcmaVM()->GetGC()->GetCounter();
+    JSTaggedValue result =
+        FastRuntimeStub::GetPropertyByName(thread, receiver.GetTaggedValue(), JSTaggedValue(raw_key));
     if (result.IsHole()) {
+        ASSERT_PRINT(gc == thread->GetEcmaVM()->GetGC()->GetCounter(), "GC happend where it is not supposed");
         [[maybe_unused]] EcmaHandleScope handle_scope(thread);
-        return JSTaggedValue::GetProperty(thread, receiver, JSHandle<JSTaggedValue>(thread, raw_key))
+        return JSTaggedValue::GetProperty(thread, receiver, JSHandle<JSTaggedValue>(thread, JSTaggedValue(raw_key)))
             .GetValue()
             .GetTaggedValue();
     }