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* [gcc r12-2217] [Ada] Fix crash on type extensions with discriminants
@ 2021-07-09 12:40 Pierre-Marie de Rodat
  0 siblings, 0 replies; only message in thread
From: Pierre-Marie de Rodat @ 2021-07-09 12:40 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:f377685e3d82193b0f69bb0742e7f470f63532b2

commit r12-2217-gf377685e3d82193b0f69bb0742e7f470f63532b2
Author: Bob Duff <duff@adacore.com>
Date:   Tue Jun 15 15:36:34 2021 -0400

    [Ada] Fix crash on type extensions with discriminants
    
    gcc/ada/
    
            * exp_put_image.adb (Make_Component_Attributes): Use
            Implementation_Base_Type to get the parent type. Otherwise,
            Parent_Type_Decl is actually an internally generated subtype
            declaration, so we blow up on
            Type_Definition (Parent_Type_Decl).

Diff:
---
 gcc/ada/exp_put_image.adb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gcc/ada/exp_put_image.adb b/gcc/ada/exp_put_image.adb
index 082e08b6dde..87f4b74e35a 100644
--- a/gcc/ada/exp_put_image.adb
+++ b/gcc/ada/exp_put_image.adb
@@ -658,8 +658,8 @@ package body Exp_Put_Image is
                   if Chars (Defining_Identifier (Item)) = Name_uParent then
                      declare
                         Parent_Type : constant Entity_Id :=
-                          Underlying_Type (Base_Type (
-                            (Etype (Defining_Identifier (Item)))));
+                          Implementation_Base_Type
+                            (Etype (Defining_Identifier (Item)));
 
                         Parent_Aspect_Spec : constant Node_Id :=
                           Find_Aspect (Parent_Type, Aspect_Put_Image);


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