[multiple changes]

2017-01-19  Hristian Kirtchev  <kirtchev@adacore.com>

	* lib-xref-spark_specific.adb: Minor reformatting.
	* exp_ch7.adb (Add_Parent_Invariants): Do not process array types.

2017-01-19  Tristan Gingold  <gingold@adacore.com>

	* fe.h (Constant_Value): Export.

From-SVN: r244628

gcc/ada/ChangeLog

+2017-01-19  Hristian Kirtchev  <kirtchev@adacore.com>
+
+	* lib-xref-spark_specific.adb: Minor reformatting.
+	* exp_ch7.adb (Add_Parent_Invariants): Do not process array types.
+
+2017-01-19  Tristan Gingold  <gingold@adacore.com>
+
+	* fe.h (Constant_Value): Export.
+
 2017-01-19  Javier Miranda  <miranda@adacore.com>
 
 	* exp_aggr.adb (Pass_Aggregate_To_Back_End): Renamed as

gcc/ada/exp_ch7.adb

@@ -3745,6 +3745,16 @@ package body Exp_Ch7 is
          --  The partial view of Par_Typ
 
       begin
+         --  Do not process array types because they cannot have true parent
+         --  types. This also prevents the generation of a duplicate invariant
+         --  check when the input type is an array base type because its Etype
+         --  denotes the first subtype, both of which share the same component
+         --  type.
+
+         if Is_Array_Type (T) then
+            return;
+         end if;
+
          --  Climb the parent type chain
 
          Curr_Typ := T;

gcc/ada/lib-xref-spark_specific.adb

@@ -703,7 +703,7 @@ package body SPARK_Specific is
 
       declare
          Drefs_Table : Drefs.Table_Type
-           renames Drefs.Table (Drefs.First .. Drefs.Last);
+                         renames Drefs.Table (Drefs.First .. Drefs.Last);
       begin
          Xrefs.Append_All (Xrefs.Table_Type (Drefs_Table));
          Nrefs := Nrefs + Drefs_Table'Length;