906-Ada-build-fix-for-GCC-4.4-and-4.3-building-GCC-4.3.patch

From d0f9065a80cf88d4dcd2330a478c97b4f22e6833 Mon Sep 17 00:00:00 2001
From: Tim Stahlhut <stahta01@gmail.com>
Date: Sun, 30 Oct 2022 07:18:36 -0400
Subject: Ada build fix for GCC-4.4 and GCC-4.3 building GCC-4.3

Fixes unreachable code errors.

This patch is to be used only to create an GCC Compiler with Ada;
then that compiler needs to be rebuilt without this patch.
---
 gcc/ada/einfo.adb    | 4 ----
 gcc/ada/lib-xref.adb | 3 ---
 gcc/ada/sem_ch3.adb  | 1 -
 gcc/ada/sem_elab.adb | 2 --
 gcc/ada/sem_util.adb | 2 --
 5 files changed, 12 deletions(-)

diff --git a/gcc/ada/einfo.adb b/gcc/ada/einfo.adb
index d8be3e75932..f7e45568408 100644
--- a/gcc/ada/einfo.adb
+++ b/gcc/ada/einfo.adb
@@ -5636,8 +5636,6 @@ package body Einfo is
             S := Scope (S);
          end if;
       end loop;
-
-      return S;
    end Enclosing_Dynamic_Scope;
 
    ----------------------
@@ -6858,8 +6856,6 @@ package body Einfo is
             end if;
          end loop;
       end if;
-
-      raise Program_Error;
    end Root_Type;
 
    -----------------
diff --git a/gcc/ada/lib-xref.adb b/gcc/ada/lib-xref.adb
index 931049335e8..e012dfe8d10 100644
--- a/gcc/ada/lib-xref.adb
+++ b/gcc/ada/lib-xref.adb
@@ -305,9 +305,6 @@ package body Lib.Xref is
             end if;
          end loop;
 
-         --  Parent (N) is assignment statement, check whether N is its name
-
-         return Name (Parent (N)) = N;
       end Is_On_LHS;
 
    --  Start of processing for Generate_Reference
diff --git a/gcc/ada/sem_ch3.adb b/gcc/ada/sem_ch3.adb
index 920b1494040..a4b29a92366 100644
--- a/gcc/ada/sem_ch3.adb
+++ b/gcc/ada/sem_ch3.adb
@@ -13879,7 +13879,6 @@ package body Sem_Ch3 is
                Ancestor := Etype (Ancestor);
             end loop;
 
-            return True;
          end;
       end if;
    end Is_Visible_Component;
diff --git a/gcc/ada/sem_elab.adb b/gcc/ada/sem_elab.adb
index e3bd6897a1c..cc414aab527 100644
--- a/gcc/ada/sem_elab.adb
+++ b/gcc/ada/sem_elab.adb
@@ -3091,8 +3091,6 @@ package body Sem_Elab is
             Scop := Scope (Scop);
          end if;
       end loop;
-
-      raise Program_Error;
    end Within;
 
    --------------------------
diff --git a/gcc/ada/sem_util.adb b/gcc/ada/sem_util.adb
index 344122a0df0..5311aea2cbd 100644
--- a/gcc/ada/sem_util.adb
+++ b/gcc/ada/sem_util.adb
@@ -5734,8 +5734,6 @@ package body Sem_Util is
             T := Base_Type (Etyp);
          end loop;
       end if;
-
-      raise Program_Error;
    end Is_Descendent_Of;
 
    --------------
--