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* [gcc r14-1856] ada: Remove dead code in Expand_Iterator_Loop_Over_Container
@ 2023-06-15  8:02 Marc Poulhi?s
  0 siblings, 0 replies; only message in thread
From: Marc Poulhi?s @ 2023-06-15  8:02 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:3f3f37c3f72f4840ef2d304e00f5bc8c28374bce

commit r14-1856-g3f3f37c3f72f4840ef2d304e00f5bc8c28374bce
Author: Eric Botcazou <ebotcazou@adacore.com>
Date:   Mon May 15 00:07:01 2023 +0200

    ada: Remove dead code in Expand_Iterator_Loop_Over_Container
    
    The Condition_Actions field can only be populated for while loops.
    
    gcc/ada/
    
            * exp_ch5.adb (Expand_Iterator_Loop_Over_Container): Do not insert
            an always empty list. Remove unused parameter Isc.
            (Expand_Iterator_Loop): Adjust call to above procedure.

Diff:
---
 gcc/ada/exp_ch5.adb | 17 ++++-------------
 1 file changed, 4 insertions(+), 13 deletions(-)

diff --git a/gcc/ada/exp_ch5.adb b/gcc/ada/exp_ch5.adb
index d8214bd6ce2..a4c7db9f365 100644
--- a/gcc/ada/exp_ch5.adb
+++ b/gcc/ada/exp_ch5.adb
@@ -181,14 +181,13 @@ package body Exp_Ch5 is
 
    procedure Expand_Iterator_Loop_Over_Container
      (N             : Node_Id;
-      Isc           : Node_Id;
       I_Spec        : Node_Id;
       Container     : Node_Id;
       Container_Typ : Entity_Id);
    --  Expand loop over containers that uses the form "for X of C" with an
-   --  optional subtype mark, or "for Y in C". Isc is the iteration scheme.
-   --  I_Spec is the iterator specification and Container is either the
-   --  Container (for OF) or the iterator (for IN).
+   --  optional subtype mark, or "for Y in C". I_Spec is the iterator
+   --  specification and Container is either the Container (for OF) or the
+   --  iterator (for IN).
 
    procedure Expand_Predicated_Loop (N : Node_Id);
    --  Expand for loop over predicated subtype
@@ -4836,7 +4835,7 @@ package body Exp_Ch5 is
 
       else
          Expand_Iterator_Loop_Over_Container
-           (N, Isc, I_Spec, Container, Container_Typ);
+           (N, I_Spec, Container, Container_Typ);
       end if;
    end Expand_Iterator_Loop;
 
@@ -5133,7 +5132,6 @@ package body Exp_Ch5 is
 
    procedure Expand_Iterator_Loop_Over_Container
      (N             : Node_Id;
-      Isc           : Node_Id;
       I_Spec        : Node_Id;
       Container     : Node_Id;
       Container_Typ : Entity_Id)
@@ -5606,13 +5604,6 @@ package body Exp_Ch5 is
          Mutate_Ekind (Cursor, Id_Kind);
       end;
 
-      --  If the range of iteration is given by a function call that returns
-      --  a container, the finalization actions have been saved in the
-      --  Condition_Actions of the iterator. Insert them now at the head of
-      --  the loop.
-
-      Insert_List_Before (N, Condition_Actions (Isc));
-
       Rewrite (N, New_Loop);
       Analyze (N);
    end Expand_Iterator_Loop_Over_Container;

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