QtQml: Check function for null before marking generator frames


Amends commit 65c743820a26b83836589ed6c84d1e91f0ab2a2f.

Fixes: QTBUG-151511
Pick-to: 6.12 6.8
Original-patch-by: RafaƂ Mikrut
Change-Id: I2467db18ffe140ccb0ffbb2ed3bf413954bc336b
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
commit3c20488ac4a676c612cef9539144194a4fb86801
parent7865e99cd1ec3694b1f336b74225b352e1c3ed09
authorUlf Hermann <ulf.hermann@qt.io>
committerUlf Hermann <ulf.hermann@qt.io>
commit timeThu, 22 Oct 2026 10:52:57 +0000