diff options
Diffstat (limited to 'gcc/ada/sem_ch3.adb')
| -rw-r--r-- | gcc/ada/sem_ch3.adb | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/gcc/ada/sem_ch3.adb b/gcc/ada/sem_ch3.adb index ca22476..956c92d 100644 --- a/gcc/ada/sem_ch3.adb +++ b/gcc/ada/sem_ch3.adb @@ -15606,7 +15606,8 @@ package body Sem_Ch3 is Set_Derived_Name; -- Otherwise, the type is inheriting a private operation, so enter it - -- with a special name so it can't be overridden. + -- with a special name so it can't be overridden. See also below, where + -- we check for this case, and if so avoid setting Requires_Overriding. else Set_Chars (New_Subp, New_External_Name (Chars (Parent_Subp), 'P')); @@ -15786,7 +15787,15 @@ package body Sem_Ch3 is or else Is_Abstract_Subprogram (Alias (New_Subp)) then Set_Is_Abstract_Subprogram (New_Subp); - else + + -- If the Chars of the new subprogram is different from that of the + -- parent's one, it means that we entered it with a special name so + -- it can't be overridden (see above). In that case we had better not + -- *require* it to be overridden. This is the case where the parent + -- type inherited the operation privately, so there's no danger of + -- dangling dispatching. + + elsif Chars (New_Subp) = Chars (Alias (New_Subp)) then Set_Requires_Overriding (New_Subp); end if; |