qml browser crashes on armv7 in release mode

Crash for quicknanobrowser and qtwebbrowser in release mode , debug works ok
Minimal qml example works ok in release mode.

1 QV4::Value::toBoolean          qv4value.cpp   80   0x769153f8 
2 QV4::Runtime::method_toBoolean qv4runtime.cpp 1822 0x7690d6ac 
3 ??                                                 0x65c50302 

board: Nitrogen 6x

SRCREV_qtwebengine = "61e35009aa276e9d2d7ff1787b52ba06f8cde37f"
SRCREV_chromium = "853d4069e45b06106f33611c458f5480f71e7c57"