diff options
Diffstat (limited to 'gcc/ada/exp_strm.adb')
| -rw-r--r-- | gcc/ada/exp_strm.adb | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/gcc/ada/exp_strm.adb b/gcc/ada/exp_strm.adb index 2ffa26a4cf9..6f34cae3c4c 100644 --- a/gcc/ada/exp_strm.adb +++ b/gcc/ada/exp_strm.adb @@ -1113,12 +1113,22 @@ package body Exp_Strm is while Present (Discr) loop Cn := New_External_Name ('C', J); - Append_To (Decls, + Decl := Make_Object_Declaration (Loc, Defining_Identifier => Make_Defining_Identifier (Loc, Cn), Object_Definition => - New_Occurrence_Of (Etype (Discr), Loc))); + New_Occurrence_Of (Etype (Discr), Loc)); + + -- If this is an access discriminant, do not perform default + -- initialization. The discriminant is about to get its value + -- from Read, and if the type is null excluding we do not want + -- spurious warnings on an initial null value. + + if Is_Access_Type (Etype (Discr)) then + Set_No_Initialization (Decl); + end if; + Append_To (Decls, Decl); Append_To (Decls, Make_Attribute_Reference (Loc, Prefix => New_Occurrence_Of (Etype (Discr), Loc), |