* exp_ch4.adb (Process_Transient_Object): Remove constant
In_Cond_Expr, use its initialization expression in place.
* exp_ch7.adb (Process_Declarations): There is no need to check
that a transient object being hooked is controlled as it would
not have been hooked in the first place.
* exp_util.adb (Is_Aliased): 'Reference-d or renamed transient
objects are not considered aliased when the related context is
a Boolean expression_with_actions.
(Requires_Cleanup_Actions): There is no need to check that a transient
object being hooked is controlled as it would not have been hooked in
the first place.