* [Ada] Spurious accessibility error on "for of" loop parameter
@ 2021-06-16 8:43 Pierre-Marie de Rodat
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From: Pierre-Marie de Rodat @ 2021-06-16 8:43 UTC (permalink / raw)
To: gcc-patches; +Cc: Justin Squirek
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This patch fixes an issue in the compiler whereby taking 'Access of a
"for of" loop parameter caused spurious compile-time accessibility
errors.
Tested on x86_64-pc-linux-gnu, committed on trunk
gcc/ada/
* sem_util.adb (Accessibility_Level): Take into account
renamings of loop parameters.
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diff --git a/gcc/ada/sem_util.adb b/gcc/ada/sem_util.adb
--- a/gcc/ada/sem_util.adb
+++ b/gcc/ada/sem_util.adb
@@ -664,6 +664,15 @@ package body Sem_Util is
return Make_Level_Literal
(Scope_Depth (Enclosing_Dynamic_Scope (E)) + 1);
+ -- Check if E is an expansion-generated renaming of an iterator
+ -- by examining Related_Expression. If so, determine the
+ -- accessibility level based on the original expression.
+
+ elsif Ekind (E) in E_Constant | E_Variable
+ and then Present (Related_Expression (E))
+ then
+ return Accessibility_Level (Related_Expression (E));
+
-- Normal object - get the level of the enclosing scope
else
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2021-06-16 8:43 [Ada] Spurious accessibility error on "for of" loop parameter Pierre-Marie de Rodat
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