diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ada/sem_ch4.adb | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/gcc/ada/sem_ch4.adb b/gcc/ada/sem_ch4.adb index 17d9993..21b962c 100644 --- a/gcc/ada/sem_ch4.adb +++ b/gcc/ada/sem_ch4.adb @@ -216,8 +216,8 @@ package body Sem_Ch4 is (E : Entity_Id; P : Node_Id); -- Called when P is the prefix of an implicit dereference, denoting an - -- object E. If in semantics only mode (-gnatc), record that is a - -- reference to E. Normally, such a reference is generated only when the + -- object E. If in semantics only mode (-gnatc or generic), record that is + -- a reference to E. Normally, such a reference is generated only when the -- implicit dereference is expanded into an explicit one. E may be empty, -- in which case this procedure does nothing. @@ -1015,10 +1015,19 @@ package body Sem_Ch4 is end if; else - Op_Id := Get_Name_Entity_Id (Name_Op_Concat); + Op_Id := Get_Name_Entity_Id (Name_Op_Concat); while Present (Op_Id) loop if Ekind (Op_Id) = E_Operator then - Find_Concatenation_Types (L, R, Op_Id, N); + + -- Do not consider operators declared in dead code, they can + -- not be part of the resolution. + + if Is_Eliminated (Op_Id) then + null; + else + Find_Concatenation_Types (L, R, Op_Id, N); + end if; + else Analyze_User_Defined_Binary_Op (N, Op_Id); end if; @@ -4422,8 +4431,9 @@ package body Sem_Ch4 is Ref : Node_Id; begin - if Operating_Mode = Check_Semantics and then Present (E) then - + if Present (E) + and then (Operating_Mode = Check_Semantics or else not Expander_Active) + then -- We create a dummy reference to E to ensure that the reference -- is not considered as part of an assignment (an implicit -- dereference can never assign to its prefix). The Comes_From_Source |