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-- { dg-do compile }
package Clause_On_Volatile is
type U8 is mod 2 ** 8;
type Word is record
A, B : U8;
end record;
For Word'Alignment use 4;
type Vword is new Word;
For Vword'Alignment use 4;
pragma Volatile (Vword);
type Aword is new Word;
For Aword'Alignment use 4;
pragma Atomic (Aword);
type R1 is record
W : Word;
end record;
for R1 use record
W at 0 range 0 .. 15; -- OK, packing regular
end record;
type A1 is record
AW : Aword;
end record;
For A1'Alignment use 4;
for A1 use record
AW at 0 range 0 .. 15; -- { dg-error "must be natural size" }
end record;
type A2 is record
B : U8;
AW : Aword;
end record;
For A2'Alignment use 4;
for A2 use record
B at 0 range 0 .. 7;
AW at 1 range 0 .. 31; -- { dg-error "must be multiple" }
end record;
type A3 is record
B : U8;
AW : Aword;
end record;
For A3'Alignment use 4;
for A3 use record
B at 0 range 0 .. 7;
AW at 1 range 0 .. 15; -- { dg-error "must be (multiple|natural size)" }
end record;
--
type V1 is record
VW : Vword;
end record;
For V1'Alignment use 4;
for V1 use record
VW at 0 range 0 .. 15; -- { dg-error "must be natural size" }
end record;
type V2 is record
B : U8;
VW : Vword;
end record;
For V2'Alignment use 4;
for V2 use record
B at 0 range 0 .. 7;
VW at 1 range 0 .. 31; -- { dg-error "must be multiple" }
end record;
type V3 is record
B : U8;
VW : Vword;
end record;
For V3'Alignment use 4;
for V3 use record
B at 0 range 0 .. 7;
VW at 1 range 0 .. 15; -- { dg-error "must be (multiple|natural size)" }
end record;
end Clause_On_Volatile;
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