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Unified Diff: src/runtime/runtime-object.cc

Issue 1138243002: [strong] Introduce strong bit (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 7 months ago
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Index: src/runtime/runtime-object.cc
diff --git a/src/runtime/runtime-object.cc b/src/runtime/runtime-object.cc
index ca35c102fd257e0922405d767ab1448052d4a832..e4478b7b44cd293d124510d3291eeefea6731fd9 100644
--- a/src/runtime/runtime-object.cc
+++ b/src/runtime/runtime-object.cc
@@ -1518,6 +1518,15 @@ RUNTIME_FUNCTION(Runtime_IsSpecObject) {
}
+RUNTIME_FUNCTION(Runtime_IsStrong) {
+ SealHandleScope shs(isolate);
+ DCHECK(args.length() == 1);
+ CONVERT_ARG_CHECKED(Object, obj, 0);
+ return isolate->heap()->ToBoolean(obj->IsJSReceiver() &&
+ JSReceiver::cast(obj)->map()->is_strong());
+}
+
+
RUNTIME_FUNCTION(Runtime_ClassOf) {
SealHandleScope shs(isolate);
DCHECK(args.length() == 1);
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