[stubs] Add option to allow LO space allocation

src/code-stub-assembler.h

Index: src/code-stub-assembler.h
diff --git a/src/code-stub-assembler.h b/src/code-stub-assembler.h
index 27669d097e5fb4722ea59c1cbb38acc652bd9ca4..7451f1ffcc916c757dd482c8b17a25c2534a5edc 100644
--- a/src/code-stub-assembler.h
+++ b/src/code-stub-assembler.h
@@ -58,7 +58,8 @@ class V8_EXPORT_PRIVATE CodeStubAssembler : public compiler::CodeAssembler {
   enum AllocationFlag : uint8_t {
     kNone = 0,
     kDoubleAlignment = 1,
-    kPretenured = 1 << 1
+    kPretenured = 1 << 1,
+    kAllowLargeObjectAllocation = 1 << 2,
   };
 
   typedef base::Flags<AllocationFlag> AllocationFlags;