diff options
Diffstat (limited to 'gcc/ada/exp_pakd.adb')
| -rw-r--r-- | gcc/ada/exp_pakd.adb | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/gcc/ada/exp_pakd.adb b/gcc/ada/exp_pakd.adb index 5b0a10a2bc6..7c84a6d85f3 100644 --- a/gcc/ada/exp_pakd.adb +++ b/gcc/ada/exp_pakd.adb @@ -674,7 +674,7 @@ package body Exp_Pakd is -- The PAT is always obtained from the actual subtype - procedure Convert_To_PAT_Type (Aexp : Entity_Id) is + procedure Convert_To_PAT_Type (Aexp : Node_Id) is Act_ST : Entity_Id; begin @@ -682,18 +682,18 @@ package body Exp_Pakd is Act_ST := Underlying_Type (Etype (Aexp)); Create_Packed_Array_Type (Act_ST); - -- Just replace the etype with the packed array type. This works + -- Just replace the eEype with the packed array type. This works -- because the expression will not be further analyzed, and Gigi -- considers the two types equivalent in any case. - -- This is not strictly the case ??? If the reference is an actual - -- in a call, the expansion of the prefix is delayed, and must be - -- reanalyzed, see Reset_Packed_Prefix. On the other hand, if the - -- prefix is a simple array reference, reanalysis can produce spurious - -- type errors when the PAT type is replaced again with the original - -- type of the array. The following is correct and minimal, but the - -- handling of more complex packed expressions in actuals is confused. - -- It is likely that the problem only remains for actuals in calls. + -- This is not strictly the case ??? If the reference is an actual in + -- call, the expansion of the prefix is delayed, and must be reanalyzed, + -- see Reset_Packed_Prefix. On the other hand, if the prefix is a simple + -- array reference, reanalysis can produce spurious type errors when the + -- PAT type is replaced again with the original type of the array. Same + -- for the case of a dereference. The following is correct and minimal, + -- but the handling of more complex packed expressions in actuals is + -- confused. Probably the problem only remains for actuals in calls. Set_Etype (Aexp, Packed_Array_Type (Act_ST)); @@ -701,6 +701,7 @@ package body Exp_Pakd is or else (Nkind (Aexp) = N_Indexed_Component and then Is_Entity_Name (Prefix (Aexp))) + or else Nkind (Aexp) = N_Explicit_Dereference then Set_Analyzed (Aexp); end if; @@ -2584,7 +2585,7 @@ package body Exp_Pakd is Csiz := Component_Size (Atyp); Convert_To_PAT_Type (Obj); - PAT := Etype (Obj); + PAT := Etype (Obj); Cmask := 2 ** Csiz - 1; |