Compiler rejects an expression function whose signature includes an
access parameter with a null_exclusion indicator.
Tested on x86_64-pc-linux-gnu, committed on trunk
gcc/ada/
* sem_ch6.adb (Analyze_Subprogram_Body_Helper): Do not perform
conformance check when the subprogram body has been created for
an expression function that is not a completion of a previous
specification, because the profile of the constructed body is
copied from the expression function itself.diff --git a/gcc/ada/sem_ch6.adb b/gcc/ada/sem_ch6.adb
--- a/gcc/ada/sem_ch6.adb
+++ b/gcc/ada/sem_ch6.adb
@@ -4585,6 +4585,17 @@ package body Sem_Ch6 is
then
Conformant := True;
+ -- Finally, a body generated for an expression function copies
+ -- the profile of the function and no check is needed either.
+ -- If the body is the completion of a previous function
+ -- declared elsewhere, the conformance check is required.
+
+ elsif Nkind (N) = N_Subprogram_Body
+ and then Was_Expression_Function (N)
+ and then Sloc (Spec_Id) = Sloc (Body_Id)
+ then
+ Conformant := True;
+
else
Check_Conformance
(Body_Id, Spec_Id,
