QV4: Array.includes: Support large arrays

Creating new ScopedValues in the loop was quite wasteful, and would
trigger a crash. We now simply reuse the ScopedValue.

Fixes: QTBUG-81104
Change-Id: Ie1efd144886861a21c8f6827d7fd23699a1e0dcc
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>

1 files changed, 2 insertions, 1 deletions

diff --git a/src/qml/jsruntime/qv4arrayobject.cpp b/src/qml/jsruntime/qv4arrayobject.cpp
index af1a2d1de0..7b38bf34b1 100644
--- a/src/qml/jsruntime/qv4arrayobject.cpp
+++ b/src/qml/jsruntime/qv4arrayobject.cpp
@@ -1050,8 +1050,9 @@ ReturnedValue ArrayPrototype::method_includes(const FunctionObject *b, const Val
         }
     }
 
+    ScopedValue val(scope);
     while (k < len) {
-        ScopedValue val(scope, instance->get(k));
+        val = instance->get(k);
         if (val->sameValueZero(argv[0])) {
             return Encode(true);
         }