@@ -1253,6 +1253,13 @@ package body Sem_Ch7 is
(Context => N,
Is_Main_Unit => Parent (N) = Cunit (Main_Unit));
end if;
+
+ -- Warn about references to unset objects, which is straightforward
+ -- for packages with no bodies. For packages with bodies this is more
+ -- complicated, because some of the objects might be set between spec
+ -- and body elaboration, in nested or child packages, etc.
+
+ Check_References (Id);
end if;
-- Set Body_Required indication on the compilation unit node
@@ -22,7 +22,7 @@ package Discr5 is
subtype Rt is R(True);
subtype Rf is R(False);
- type R1 (D1 : Boolean) is new R (X) with record
+ type R1 (D1 : Boolean) is new R (X) with record -- { dg-warning "\"X\" may be referenced before it has a value" }
FF : Float;
case D1 is
when True =>
@@ -38,7 +38,7 @@ package Discr5 is
subtype R1t is R1 (True);
subtype R1f is R1 (False);
- type R2 (D2 : Boolean) is new R1 (Y) with record
+ type R2 (D2 : Boolean) is new R1 (Y) with record -- { dg-warning "\"Y\" may be referenced before it has a value" }
FFF: System.Address;
case D2 is
when True =>
@@ -55,3 +55,4 @@ package Discr5 is
subtype R2f is R2 (False);
end Discr5;
+
@@ -1,5 +1,4 @@
-- { dg-do compile }
package Empty_Variants is
@@ -23,10 +22,11 @@ package Empty_Variants is
R : Rec;
- I : Integer := R.I;
+ I : Integer := R.I; -- { dg-warning "\"R\.I\" may be referenced before it has a value" }
J : Integer := R.J;
K : Integer := R.K;
L : Integer := R.L;
M : Integer := R.L;
end Empty_Variants;
+
@@ -20,6 +20,6 @@ package Pack13 is
A : Arr;
- package My_G is new G (Boolean, A(True).B);
+ package My_G is new G (Boolean, A(True).B); -- { dg-warning "\"A\" may be referenced before it has a value" }
end Pack13;