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* [gcc r12-6252] [Ada] Improve support for casing on types with controlled parts
@ 2022-01-05 11:35 Pierre-Marie de Rodat
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From: Pierre-Marie de Rodat @ 2022-01-05 11:35 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:5e51d85e2e739cbe8a0c7081d300c12c5b5447b2
commit r12-6252-g5e51d85e2e739cbe8a0c7081d300c12c5b5447b2
Author: Steve Baird <baird@adacore.com>
Date: Wed Dec 1 11:02:52 2021 -0800
[Ada] Improve support for casing on types with controlled parts
gcc/ada/
* exp_ch5.adb (Finish_Binding_Object_Declaration): Fix a bug
that was introduced in the previous commit. The previous
version initialized a Boolean constant Declare_Copy before the
variable Decl had been initialized properly.
Diff:
---
gcc/ada/exp_ch5.adb | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/gcc/ada/exp_ch5.adb b/gcc/ada/exp_ch5.adb
index 42cffd5186a..b73a966faa2 100644
--- a/gcc/ada/exp_ch5.adb
+++ b/gcc/ada/exp_ch5.adb
@@ -3392,12 +3392,12 @@ package body Exp_Ch5 is
Decl : Node_Id := First (Declarations (Block_Stmt));
Def_Id : Node_Id := Empty;
+ function Declare_Copy (Decl : Node_Id) return Boolean is
+ (Nkind (Decl) = N_Object_Declaration);
-- Declare_Copy indicates which of the two approaches
-- was chosen during analysis: declare (and initialize)
-- a new variable, or use access values to declare a renaming
-- of the appropriate subcomponent of the selector value.
- Declare_Copy : constant Boolean :=
- Nkind (Decl) = N_Object_Declaration;
function Make_Conditional (Stmt : Node_Id) return Node_Id;
-- If there is only one choice for this alternative, then
@@ -3443,7 +3443,7 @@ package body Exp_Ch5 is
end loop;
-- For a binding object, we sometimes make a copy and
- -- sometimes introduce a renaming. That decision is made
+ -- sometimes introduce a renaming. That decision is made
-- elsewhere. The renaming case involves dereferencing an
-- access value because of the possibility of multiple
-- choices (with multiple binding definitions) for a single
@@ -3452,7 +3452,7 @@ package body Exp_Ch5 is
-- renaming case, we initialize (again, maybe conditionally)
-- the access value.
- if Declare_Copy then
+ if Declare_Copy (Decl) then
declare
Assign_Value : constant Node_Id :=
Make_Assignment_Statement (Loc,
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2022-01-05 11:35 [gcc r12-6252] [Ada] Improve support for casing on types with controlled parts Pierre-Marie de Rodat
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