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* [gcc r11-1882] [Ada] Handle explicit dereferences in expression functions
@ 2020-07-07  9:28 Pierre-Marie de Rodat
  0 siblings, 0 replies; only message in thread
From: Pierre-Marie de Rodat @ 2020-07-07  9:28 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:dae09f9b557b1a38b4743a4213f7ca47c48eec81

commit r11-1882-gdae09f9b557b1a38b4743a4213f7ca47c48eec81
Author: Ed Schonberg <schonberg@adacore.com>
Date:   Tue May 12 08:20:22 2020 -0400

    [Ada] Handle explicit dereferences in expression functions
    
    gcc/ada/
    
            * freeze.adb (Freeze_Expr_Types): Freeze the designated type of
            the explicit dereference.

Diff:
---
 gcc/ada/freeze.adb | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/gcc/ada/freeze.adb b/gcc/ada/freeze.adb
index 7df283a32c4..fd76e7bc63c 100644
--- a/gcc/ada/freeze.adb
+++ b/gcc/ada/freeze.adb
@@ -7934,6 +7934,15 @@ package body Freeze is
            and then Node = Controlling_Argument (Parent (Node))
          then
             Check_And_Freeze_Type (Designated_Type (Etype (Node)));
+
+         --  An explicit dereference freezes the designated type as well,
+         --  even though that type is not attached to an entity in the
+         --  expression.
+
+         elsif Nkind (Node) in N_Has_Etype
+           and then Nkind (Parent (Node)) = N_Explicit_Dereference
+         then
+            Check_And_Freeze_Type (Designated_Type (Etype (Node)));
          end if;
 
          --  No point in posting several errors on the same expression


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