This occurs when the expression function calls a protected function and the
-gnata switch is specified, because the compiler wrongly freezes the called
function when analyzing the expression function, a fallout of the wrapping
scheme used for the Post and Refined_Post aspects.
gcc/ada/
* sem_res.adb (Resolve_Call): When the target is an entity, do not
freeze it if the current scope is the inner wrapper function built
for an expression function with a Post or Refined_Post aspect.
if Is_Entity_Name (Subp)
and then not In_Spec_Expression
and then not Is_Expression_Function_Or_Completion (Current_Scope)
+ and then not (Chars (Current_Scope) = Name_uWrapped_Statements
+ and then Is_Expression_Function_Or_Completion
+ (Scope (Current_Scope)))
and then
(not Is_Expression_Function_Or_Completion (Entity (Subp))
or else Expander_Active)