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From: Pierre-Marie de Rodat <pmderodat@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r12-3754] [Ada] Spurious dynamic accessibility check on allocator Date: Tue, 21 Sep 2021 15:28:06 +0000 (GMT) [thread overview] Message-ID: <20210921152806.6C0F53857803@sourceware.org> (raw) https://gcc.gnu.org/g:7d9735bbb88b6e61e5405d7c99e6cc97112e7a41 commit r12-3754-g7d9735bbb88b6e61e5405d7c99e6cc97112e7a41 Author: Justin Squirek <squirek@adacore.com> Date: Thu Jul 8 20:33:05 2021 -0400 [Ada] Spurious dynamic accessibility check on allocator gcc/ada/ * sem_util.adb (Accessibility_Level): Remove spurious special case for protected type components. * exp_ch4.adb (Generate_Accessibility_Check): Use general Accessibility_Level instead of the low-level function Type_Access_Level. Diff: --- gcc/ada/exp_ch4.adb | 3 +-- gcc/ada/sem_util.adb | 11 ----------- 2 files changed, 1 insertion(+), 13 deletions(-) diff --git a/gcc/ada/exp_ch4.adb b/gcc/ada/exp_ch4.adb index cf9899d76c8..497a52ba05d 100644 --- a/gcc/ada/exp_ch4.adb +++ b/gcc/ada/exp_ch4.adb @@ -767,8 +767,7 @@ package body Exp_Ch4 is Cond := Make_Op_Gt (Loc, Left_Opnd => Cond, - Right_Opnd => - Make_Integer_Literal (Loc, Type_Access_Level (PtrT))); + Right_Opnd => Accessibility_Level (N, Dynamic_Level)); -- Due to the complexity and side effects of the check, utilize an -- if statement instead of the regular Program_Error circuitry. diff --git a/gcc/ada/sem_util.adb b/gcc/ada/sem_util.adb index 5fd72667e99..45a338a927b 100644 --- a/gcc/ada/sem_util.adb +++ b/gcc/ada/sem_util.adb @@ -728,17 +728,6 @@ package body Sem_Util is return Make_Level_Literal (Typ_Access_Level (Etype (E))); - -- When E is a component of the current instance of a - -- protected type, we assume the level to be deeper than that of - -- the type itself. - - elsif not Is_Overloadable (E) - and then Ekind (Scope (E)) = E_Protected_Type - and then Comes_From_Source (Scope (E)) - then - 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.
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