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* [gcc r12-1598] [Ada] Crash on overriding of an abstract primitive on an incomplete type
@ 2021-06-17 14:35 Pierre-Marie de Rodat
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From: Pierre-Marie de Rodat @ 2021-06-17 14:35 UTC (permalink / raw)
  To: gcc-cvs

https://gcc.gnu.org/g:7ba8725fc35c88d8e049ffd6b3e206b747588419

commit r12-1598-g7ba8725fc35c88d8e049ffd6b3e206b747588419
Author: Arnaud Charlet <charlet@adacore.com>
Date:   Mon Mar 8 07:11:32 2021 -0500

    [Ada] Crash on overriding of an abstract primitive on an incomplete type
    
    gcc/ada/
    
            * sem_ch3.adb (Check_Ops_From_Incomplete_Type): Protect against
            no Primitive_Operations.

Diff:
---
 gcc/ada/sem_ch3.adb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gcc/ada/sem_ch3.adb b/gcc/ada/sem_ch3.adb
index 6720d41c221..d807b10c2f0 100644
--- a/gcc/ada/sem_ch3.adb
+++ b/gcc/ada/sem_ch3.adb
@@ -3072,6 +3072,7 @@ package body Sem_Ch3 is
            and then Ekind (Prev) = E_Incomplete_Type
            and then Is_Tagged_Type (Prev)
            and then Is_Tagged_Type (T)
+           and then Present (Primitive_Operations (Prev))
          then
             Elmt := First_Elmt (Primitive_Operations (Prev));
             while Present (Elmt) loop


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