testsuites/benchmarks/dhrystone/*: Eliminate old-style prototypes

GCC 15 is noisy about these. They have been deprecated since C90
but still lurk.

Updates #5275

testsuites/benchmarks/dhrystone/dhry_1.c

@@ -294,10 +294,8 @@ execution_start:
 }
 
 
-void Proc_1 (Ptr_Val_Par)
+void Proc_1 ( REG Rec_Pointer Ptr_Val_Par )
 /******************/
-
-REG Rec_Pointer Ptr_Val_Par;
     /* executed once */
 {
   REG Rec_Pointer Next_Record = Ptr_Val_Par->Ptr_Comp;  
@@ -328,12 +326,10 @@ REG Rec_Pointer Ptr_Val_Par;
 } /* Proc_1 */
 
 
-void Proc_2 (Int_Par_Ref)
+void Proc_2 ( One_Fifty   *Int_Par_Ref )
 /******************/
     /* executed once */
     /* *Int_Par_Ref == 1, becomes 4 */
-
-One_Fifty   *Int_Par_Ref;
 {
   One_Fifty  Int_Loc;  
   Enumeration   Enum_Loc;
@@ -351,12 +347,11 @@ One_Fifty   *Int_Par_Ref;
 } /* Proc_2 */
 
 
-void Proc_3 (Ptr_Ref_Par)
+void Proc_3 ( Rec_Pointer *Ptr_Ref_Par )
 /******************/
     /* executed once */
     /* Ptr_Ref_Par becomes Ptr_Glob */
 
-Rec_Pointer *Ptr_Ref_Par;
 
 {
   if (Ptr_Glob != Null)

testsuites/benchmarks/dhrystone/dhry_2.c

@@ -29,13 +29,12 @@ extern  int     Int_Glob;
 extern  char    Ch_1_Glob;
 
 
-void Proc_6 (Enum_Val_Par, Enum_Ref_Par)
+void Proc_6 (
+  Enumeration  Enum_Val_Par,
+  Enumeration *Enum_Ref_Par)
 /*********************************/
     /* executed once */
     /* Enum_Val_Par == Ident_3, Enum_Ref_Par becomes Ident_2 */
-
-Enumeration  Enum_Val_Par;
-Enumeration *Enum_Ref_Par;
 {
   *Enum_Ref_Par = Enum_Val_Par;
   if (! Func_3 (Enum_Val_Par))
@@ -63,7 +62,10 @@ Enumeration *Enum_Ref_Par;
 } /* Proc_6 */
 
 
-void Proc_7 (Int_1_Par_Val, Int_2_Par_Val, Int_Par_Ref)
+void Proc_7 (
+  One_Fifty       Int_1_Par_Val,
+  One_Fifty       Int_2_Par_Val,
+  One_Fifty      *Int_Par_Ref)
 /**********************************************/
     /* executed three times                                      */ 
     /* first call:      Int_1_Par_Val == 2, Int_2_Par_Val == 3,  */
@@ -72,9 +74,6 @@ void Proc_7 (Int_1_Par_Val, Int_2_Par_Val, Int_Par_Ref)
     /*                  Int_Par_Ref becomes 17                   */
     /* third call:      Int_1_Par_Val == 6, Int_2_Par_Val == 10, */
     /*                  Int_Par_Ref becomes 18                   */
-One_Fifty       Int_1_Par_Val;
-One_Fifty       Int_2_Par_Val;
-One_Fifty      *Int_Par_Ref;
 {
   One_Fifty Int_Loc;
 
@@ -83,15 +82,15 @@ One_Fifty      *Int_Par_Ref;
 } /* Proc_7 */
 
 
-void Proc_8 (Arr_1_Par_Ref, Arr_2_Par_Ref, Int_1_Par_Val, Int_2_Par_Val)
+void Proc_8 (
+  Arr_1_Dim       Arr_1_Par_Ref,
+  Arr_2_Dim       Arr_2_Par_Ref,
+  int             Int_1_Par_Val,
+  int             Int_2_Par_Val)
 /*********************************************************************/
     /* executed once      */
     /* Int_Par_Val_1 == 3 */
     /* Int_Par_Val_2 == 7 */
-Arr_1_Dim       Arr_1_Par_Ref;
-Arr_2_Dim       Arr_2_Par_Ref;
-int             Int_1_Par_Val;
-int             Int_2_Par_Val;
 {
   REG One_Fifty Int_Index;
   REG One_Fifty Int_Loc;
@@ -108,15 +107,12 @@ int             Int_2_Par_Val;
 } /* Proc_8 */
 
 
-Enumeration Func_1 (Ch_1_Par_Val, Ch_2_Par_Val)
+Enumeration Func_1 ( Capital_Letter   Ch_1_Par_Val, Capital_Letter   Ch_2_Par_Val )
 /*************************************************/
     /* executed three times                                         */
     /* first call:      Ch_1_Par_Val == 'H', Ch_2_Par_Val == 'R'    */
     /* second call:     Ch_1_Par_Val == 'A', Ch_2_Par_Val == 'C'    */
     /* third call:      Ch_1_Par_Val == 'B', Ch_2_Par_Val == 'C'    */
-
-Capital_Letter   Ch_1_Par_Val;
-Capital_Letter   Ch_2_Par_Val;
 {
   Capital_Letter        Ch_1_Loc;
   Capital_Letter        Ch_2_Loc;
@@ -134,14 +130,12 @@ Capital_Letter   Ch_2_Par_Val;
 } /* Func_1 */
 
 
-Boolean Func_2 (Str_1_Par_Ref, Str_2_Par_Ref)
+Boolean Func_2 ( Str_30  Str_1_Par_Ref, Str_30  Str_2_Par_Ref )
 /*************************************************/
     /* executed once */
     /* Str_1_Par_Ref == "DHRYSTONE PROGRAM, 1'ST STRING" */
     /* Str_2_Par_Ref == "DHRYSTONE PROGRAM, 2'ND STRING" */
 
-Str_30  Str_1_Par_Ref;
-Str_30  Str_2_Par_Ref;
 {
   REG One_Thirty        Int_Loc;
       Capital_Letter    Ch_Loc;
@@ -176,11 +170,10 @@ Str_30  Str_2_Par_Ref;
 } /* Func_2 */
 
 
-Boolean Func_3 (Enum_Par_Val)
+Boolean Func_3 (  Enumeration Enum_Par_Val )
 /***************************/
     /* executed once        */
     /* Enum_Par_Val == Ident_3 */
-Enumeration Enum_Par_Val;
 {
   Enumeration Enum_Loc;