[gcc r12-4006] [Ada] Add N_Entity_Name

[Pierre-Marie de Rodat <pmderodat@gcc.gnu.org>]

https://gcc.gnu.org/g:7916838b6674e7d0ed0c488d22e89e2b679f1292

commit r12-4006-g7916838b6674e7d0ed0c488d22e89e2b679f1292
Author: Richard Kenner <kenner@adacore.com>
Date:   Thu Aug 5 17:05:40 2021 -0400

    [Ada] Add N_Entity_Name
    
    gcc/ada/
    
            * gen_il-gen-gen_nodes.adb (N_Entity_Name): Add.
            * gen_il-types.ads (N_Entity_Name): Likewise.

Diff:
---
 gcc/ada/gen_il-gen-gen_nodes.adb | 10 ++++++++++
 gcc/ada/gen_il-types.ads         |  1 +
 2 files changed, 11 insertions(+)

diff --git a/gcc/ada/gen_il-gen-gen_nodes.adb b/gcc/ada/gen_il-gen-gen_nodes.adb
index 43d77f2032f..32cc89a081a 100644
--- a/gcc/ada/gen_il-gen-gen_nodes.adb
+++ b/gcc/ada/gen_il-gen-gen_nodes.adb
@@ -1662,4 +1662,14 @@ begin -- Gen_IL.Gen.Gen_Nodes
              N_Has_Entity,
              N_Subtype_Indication));
    --  Nodes that can be an index of an array
+
+   Union (N_Entity_Name,
+          Children =>
+            (N_Expanded_Name,
+             N_Identifier,
+             N_Operator_Symbol));
+   --  Nodes that are definitely representing an entity.
+   --  Some N_Attribute_Reference nodes may also represent an entity. See
+   --  Is_Entity_Name.
+
 end Gen_IL.Gen.Gen_Nodes;
diff --git a/gcc/ada/gen_il-types.ads b/gcc/ada/gen_il-types.ads
index c8f87f9d12d..4aadf99cf77 100644
--- a/gcc/ada/gen_il-types.ads
+++ b/gcc/ada/gen_il-types.ads
@@ -84,6 +84,7 @@ package Gen_IL.Types is
       N_Delay_Statement,
       N_Direct_Name,
       N_Entity,
+      N_Entity_Name,
       N_Formal_Subprogram_Declaration,
       N_Generic_Declaration,
       N_Generic_Instantiation,