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* [gcc r11-5419] [Ada] Crash on task declaration with Restriction_Warning (No_Tasking)
@ 2020-11-26 8:42 Pierre-Marie de Rodat
0 siblings, 0 replies; only message in thread
From: Pierre-Marie de Rodat @ 2020-11-26 8:42 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:52424b13d80af31b6004995c1910fb9ee0ab1939
commit r11-5419-g52424b13d80af31b6004995c1910fb9ee0ab1939
Author: Ed Schonberg <schonberg@adacore.com>
Date: Tue Oct 27 09:24:51 2020 -0400
[Ada] Crash on task declaration with Restriction_Warning (No_Tasking)
gcc/ada/
* sem_prag.adb (Process_Restrictions_Or_Restriction_Warnings):
when the restriction is a configuration pragma and specifies
No_Tasking, a global flag is set to reject task declarations,
and to prevent the construction of Master entities. The flag
must not be set if the pragma is a Restriction_Warning, in which
case task declarationns are allowed.
Diff:
---
gcc/ada/sem_prag.adb | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/gcc/ada/sem_prag.adb b/gcc/ada/sem_prag.adb
index 9c57ee31c89..02cf0bc5648 100644
--- a/gcc/ada/sem_prag.adb
+++ b/gcc/ada/sem_prag.adb
@@ -10438,10 +10438,13 @@ package body Sem_Prag is
Add_To_Config_Boolean_Restrictions (No_Elaboration_Code);
end if;
- -- Special processing for No_Tasking restriction placed in
- -- a configuration pragmas file.
+ -- Special processing for No_Tasking restriction (not just a
+ -- warning) when it appears as a configuration pragmas.
- elsif R_Id = No_Tasking and then No (Cunit (Main_Unit)) then
+ elsif R_Id = No_Tasking
+ and then No (Cunit (Main_Unit))
+ and then not Warn
+ then
Set_Global_No_Tasking;
end if;
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2020-11-26 8:42 [gcc r11-5419] [Ada] Crash on task declaration with Restriction_Warning (No_Tasking) Pierre-Marie de Rodat
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