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* [gcc r12-5680] [Ada] Fix crash on pragma Compile_Time_Warning/Error
@ 2021-12-01 10:27 Pierre-Marie de Rodat
0 siblings, 0 replies; only message in thread
From: Pierre-Marie de Rodat @ 2021-12-01 10:27 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:9ce9322ccc4aa873d732554c895b821c90017511
commit r12-5680-g9ce9322ccc4aa873d732554c895b821c90017511
Author: Bob Duff <duff@adacore.com>
Date: Wed Nov 17 12:06:32 2021 -0500
[Ada] Fix crash on pragma Compile_Time_Warning/Error
gcc/ada/
* sem_prag.adb (Process_Compile_Time_Warning_Or_Error): Do not
follow the Corresponding_Spec pointer if Acts_As_Spec is True,
because Corresponding_Spec is Empty in that case, so we would
exit the loop prematurely, and incorrectly think we are not
inside a generic unit when we are.
Diff:
---
gcc/ada/sem_prag.adb | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/gcc/ada/sem_prag.adb b/gcc/ada/sem_prag.adb
index 1d5cc2535bd..9fdec53b374 100644
--- a/gcc/ada/sem_prag.adb
+++ b/gcc/ada/sem_prag.adb
@@ -7827,11 +7827,15 @@ package body Sem_Prag is
if Compile_Time_Known_Value (Arg1x) then
Validate_Compile_Time_Warning_Or_Error (N, Sloc (Arg1));
+
else
while Present (P) and then Nkind (P) not in N_Generic_Declaration
loop
- if Nkind (P) in N_Package_Body | N_Subprogram_Body then
- P := Corresponding_Spec (P);
+ if (Nkind (P) = N_Subprogram_Body and then not Acts_As_Spec (P))
+ or else Nkind (P) = N_Package_Body
+ then
+ P := Parent (Corresponding_Spec (P));
+
else
P := Parent (P);
end if;
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2021-12-01 10:27 [gcc r12-5680] [Ada] Fix crash on pragma Compile_Time_Warning/Error Pierre-Marie de Rodat
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