Ada 2012 Reference Manual
J.13 Dependence Restriction Identifiers
The following restrictions involve dependence on specific language-defined units. The more general restriction No_Dependence (see 13.12.1) should be used for this purpose.
Static Semantics
The following restriction_identifiers exist:
No_Asynchronous_Control
Semantic dependence on the predefined package Asynchronous_Task_Control is not allowed.
No_Unchecked_Conversion
Semantic dependence on the predefined generic function Unchecked_Conversion is not allowed.
No_Unchecked_Deallocation
Semantic dependence on the predefined generic procedure Unchecked_Deallocation is not allowed.
