* [Ada] Fix spurious error on object renaming with ghost type
@ 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-patches; +Cc: Yannick Moy
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Renaming of an object of ghost type leads to a spurious error. Now
fixed.
Tested on x86_64-pc-linux-gnu, committed on trunk
gcc/ada/
* ghost.adb (Is_OK_Ghost_Context): Detect ghost type inside object
renaming.
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diff --git a/gcc/ada/ghost.adb b/gcc/ada/ghost.adb
--- a/gcc/ada/ghost.adb
+++ b/gcc/ada/ghost.adb
@@ -508,7 +508,16 @@ package body Ghost is
elsif Nkind (Parent (Par)) in N_Generic_Instantiation
| N_Renaming_Declaration
| N_Generic_Renaming_Declaration
- and then Par = Name (Parent (Par))
+ and then Par = Name (Parent (Par))
+ then
+ return True;
+
+ -- In the case of the renaming of a ghost object, the type
+ -- itself may be ghost.
+
+ elsif Nkind (Parent (Par)) = N_Object_Renaming_Declaration
+ and then (Par = Subtype_Mark (Parent (Par))
+ or else Par = Access_Definition (Parent (Par)))
then
return True;
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2022-07-05 8:30 [Ada] Fix spurious error on object renaming with ghost type Pierre-Marie de Rodat
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