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From: Marc Poulhi?s <dkm@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r14-4275] ada: Fix deferred constant wrongly rejected Date: Tue, 26 Sep 2023 11:46:17 +0000 (GMT) [thread overview] Message-ID: <20230926114617.32B953861871@sourceware.org> (raw) https://gcc.gnu.org/g:f6367fc211e52b3f7f8d0f2c481e20cb69839071 commit r14-4275-gf6367fc211e52b3f7f8d0f2c481e20cb69839071 Author: Eric Botcazou <ebotcazou@adacore.com> Date: Sat Sep 16 20:29:20 2023 +0200 ada: Fix deferred constant wrongly rejected This recent regression occurs when the nominal subtype of the constant is a discriminated record type with default discriminants. gcc/ada/ PR ada/110488 * sem_ch3.adb (Analyze_Object_Declaration): Do not build a default subtype for a deferred constant in the definite case too. Diff: --- gcc/ada/sem_ch3.adb | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/gcc/ada/sem_ch3.adb b/gcc/ada/sem_ch3.adb index 92902a7debb..c79d323395f 100644 --- a/gcc/ada/sem_ch3.adb +++ b/gcc/ada/sem_ch3.adb @@ -5048,9 +5048,11 @@ package body Sem_Ch3 is Apply_Length_Check (E, T); end if; - -- When possible, build the default subtype + -- When possible, and not a deferred constant, build the default subtype - elsif Build_Default_Subtype_OK (T) then + elsif Build_Default_Subtype_OK (T) + and then (not Constant_Present (N) or else Present (E)) + then if No (E) then Act_T := Build_Default_Subtype (T, N); else
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