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* [gcc r12-1586] [Ada] Fix detection of slices that denote the same object
@ 2021-06-17 14:34 Pierre-Marie de Rodat
  0 siblings, 0 replies; only message in thread
From: Pierre-Marie de Rodat @ 2021-06-17 14:34 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:3447d9e49e33199b4c5c0fe16e272e3ecfd36275

commit r12-1586-g3447d9e49e33199b4c5c0fe16e272e3ecfd36275
Author: Piotr Trojanek <trojanek@adacore.com>
Date:   Tue Mar 9 22:22:19 2021 +0100

    [Ada] Fix detection of slices that denote the same object
    
    gcc/ada/
    
            * sem_util.adb (Denotes_Same_Object): Call Get_Index_Bounds with
            the range of a slice object, not its type.

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

diff --git a/gcc/ada/sem_util.adb b/gcc/ada/sem_util.adb
index 6481d86a835..c9d97a93464 100644
--- a/gcc/ada/sem_util.adb
+++ b/gcc/ada/sem_util.adb
@@ -7482,8 +7482,8 @@ package body Sem_Util is
             Lo1, Lo2, Hi1, Hi2 : Node_Id;
 
          begin
-            Get_Index_Bounds (Etype (Obj1), Lo1, Hi1);
-            Get_Index_Bounds (Etype (Obj2), Lo2, Hi2);
+            Get_Index_Bounds (Discrete_Range (Obj1), Lo1, Hi1);
+            Get_Index_Bounds (Discrete_Range (Obj2), Lo2, Hi2);
 
             --  Check whether bounds are statically identical. There is no
             --  attempt to detect partial overlap of slices.


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