De-inline ~QAndroidJniObject() dtor

By making the destructor (usually the first non-inline, non-pure,
virtual function, and therefore the trigger for most compilers to
emit the vtable and type_info structures for the class in that TU)
out-of-line, vtables and, more importantly, type_info strucures for
the class are pinned to a single TU. This prevents false negative
dynamic_cast and catch evaluation.

Since it is already exported, users of the class are unaffected by
the change, but since it's public API, and the dtors may have been
de-virtualized and inlined into application code, we need to avoid
adding code to the out-of-line dtor until Qt 6.

Task-number: QTBUG-45582
Change-Id: I60273f7352be0d5a45a94828647d61f0ec9f1d79
Reviewed-by: Christian Stromme <christian.stromme@theqtcompany.com>

0 files changed, 0 insertions, 0 deletions