* [Ada] Take full view of private type
@ 2022-05-17 8:27 Pierre-Marie de Rodat
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From: Pierre-Marie de Rodat @ 2022-05-17 8:27 UTC (permalink / raw)
To: gcc-patches; +Cc: Etienne Servais
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This allows to resolve the following:
type Rec (<>) is private;
type Arr (<>) is private;
private
type Arr is array (Positive range <>) of Natural;
type Rec (L : Natural) is record
F1 : Integer;
F2 : Arr (1 .. L);
end record;
Tested on x86_64-pc-linux-gnu, committed on trunk
gcc/ada/
* sem_ch3.adb (Analyze_Subtype_Declaration): Use underlying type
of Indic_Typ.
(Constrain_Array): Ditto for T.
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diff --git a/gcc/ada/sem_ch3.adb b/gcc/ada/sem_ch3.adb
--- a/gcc/ada/sem_ch3.adb
+++ b/gcc/ada/sem_ch3.adb
@@ -5978,7 +5978,7 @@ package body Sem_Ch3 is
if Nkind (Subtype_Indication (N)) = N_Subtype_Indication then
declare
Indic_Typ : constant Entity_Id :=
- Etype (Subtype_Mark (Subtype_Indication (N)));
+ Underlying_Type (Etype (Subtype_Mark (Subtype_Indication (N))));
Subt_Index : Node_Id;
Target_Index : Node_Id;
@@ -13595,6 +13595,8 @@ package body Sem_Ch3 is
T := Designated_Type (T);
end if;
+ T := Underlying_Type (T);
+
-- If an index constraint follows a subtype mark in a subtype indication
-- then the type or subtype denoted by the subtype mark must not already
-- impose an index constraint. The subtype mark must denote either an
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2022-05-17 8:27 [Ada] Take full view of private type Pierre-Marie de Rodat
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