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* [gcc r13-1483] [Ada] Spurious error on qualified prefix in Pack.Func'Result
@ 2022-07-05 8:30 Pierre-Marie de Rodat
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From: Pierre-Marie de Rodat @ 2022-07-05 8:30 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:1f85342b42b4bf9fee3cd23bc38498a3565bc9f1
commit r13-1483-g1f85342b42b4bf9fee3cd23bc38498a3565bc9f1
Author: Yannick Moy <moy@adacore.com>
Date: Mon May 23 14:27:41 2022 +0200
[Ada] Spurious error on qualified prefix in Pack.Func'Result
When using a qualified name such as Pack.Func as the prefix of a 'Result
attribute reference, the prefix is not fully resolved and may contain a
chain of homonyms. Look for the expected function in the homonym chain
instead of issuing an error if the first one is not the expected one.
gcc/ada/
* sem_attr.adb (Analyze_Attribute): Take into account the
possibility of homonyms.
Diff:
---
gcc/ada/sem_attr.adb | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/gcc/ada/sem_attr.adb b/gcc/ada/sem_attr.adb
index 6a35358261e..b8d878c3d6d 100644
--- a/gcc/ada/sem_attr.adb
+++ b/gcc/ada/sem_attr.adb
@@ -5835,6 +5835,12 @@ package body Sem_Attr is
elsif Present (Over_Id) and then Pref_Id = Over_Id then
return True;
+
+ -- When a qualified name is used for the prefix, homonyms may come
+ -- before the current function in the homonym chain.
+
+ elsif Has_Homonym (Pref_Id) then
+ return Denote_Same_Function (Homonym (Pref_Id), Spec_Id);
end if;
-- Otherwise the prefix does not denote the related subprogram
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