Index: src/tests/.expect/64/KRfunctions.txt
===================================================================
--- src/tests/.expect/64/KRfunctions.txt	(revision 6a4f3d4ae5fd9a59917ccd709d182ccdbbe55a0e)
+++ src/tests/.expect/64/KRfunctions.txt	(revision 4c03e638fae9819012408e0e7c32bfc6407e0c16)
@@ -6,11 +6,11 @@
 extern int printf(const char *__restrict __format, ...);
 int __f0__Fi_iPCii__1(int __a__i_1, const int *__b__PCi_1, int __c__i_1){
-    int ___retval_f0__i_1;
+    __attribute__ ((unused)) int ___retval_f0__i_1;
 }
 int __f1__Fi_PiiPi__1(int *__a__Pi_1, __attribute__ ((unused)) int __b__i_1, int *__c__Pi_1){
-    int ___retval_f1__i_1;
+    __attribute__ ((unused)) int ___retval_f1__i_1;
 }
 int __f2__Fi_iPiPi__1(int __a__i_1, int *__b__Pi_1, int *__c__Pi_1){
-    int ___retval_f2__i_1;
+    __attribute__ ((unused)) int ___retval_f2__i_1;
 }
 struct S {
@@ -40,27 +40,27 @@
 }
 int __f3__Fi_2sS2sSPi__1(struct S __a__2sS_1, struct S __b__2sS_1, int *__c__Pi_1){
-    int ___retval_f3__i_1;
+    __attribute__ ((unused)) int ___retval_f3__i_1;
     struct S __s__2sS_2;
 }
 int __f4__Fi_iPiPi__1(int __a__i_1, int *__b__Pi_1, int *__c__Pi_1){
-    int ___retval_f4__i_1;
+    __attribute__ ((unused)) int ___retval_f4__i_1;
 }
 int __f5__Fi_iPiPi__1(int __a__i_1, int *__b__Pi_1, int *__c__Pi_1){
-    int ___retval_f5__i_1;
+    __attribute__ ((unused)) int ___retval_f5__i_1;
 }
 int (*__f6__FPFi_i__iPiPi__1(int __a__i_1, int *__b__Pi_1, int *__c__Pi_1))(int __anonymous_object0){
-    int (*___retval_f6__PFi_i__1)(int __anonymous_object1);
+    __attribute__ ((unused)) int (*___retval_f6__PFi_i__1)(int __anonymous_object1);
 }
 int (*__f7__FPFi_ii__iPiPi__1(int __a__i_1, int *__b__Pi_1, int *__c__Pi_1))(int __a__i_1, int __b__i_1){
-    int (*___retval_f7__PFi_ii__1)(int __a__i_1, int __b__i_1);
+    __attribute__ ((unused)) int (*___retval_f7__PFi_ii__1)(int __a__i_1, int __b__i_1);
 }
 int *__f8__FPi_iPiPi__1(int __a__i_1, int *__b__Pi_1, int *__c__Pi_1){
-    int *___retval_f8__Pi_1;
+    __attribute__ ((unused)) int *___retval_f8__Pi_1;
 }
 int *const __f9__FCPi_PiiPi__1(int *__a__Pi_1, int __b__i_1, int *__c__Pi_1){
-    int *const ___retval_f9__CPi_1;
+    __attribute__ ((unused)) int *const ___retval_f9__CPi_1;
 }
 int *(*__f10__FPFPi_ii__iPiPid__1(int __a__i_1, int *__b__Pi_1, int *__c__Pi_1, double __y__d_1))(int __x__i_1, int __y__i_1){
-    int *(*___retval_f10__PFPi_ii__1)(int __x__i_1, int __y__i_1);
+    __attribute__ ((unused)) int *(*___retval_f10__PFPi_ii__1)(int __x__i_1, int __y__i_1);
     int *__x__FPi_ii__2(int __anonymous_object2, int __anonymous_object3);
     ((void)(___retval_f10__PFPi_ii__1=__x__FPi_ii__2) /* ?{} */);
@@ -68,17 +68,17 @@
 }
 int (*__f11__FPA0i_iPiPi__1(int __a__i_1, int *__b__Pi_1, int *__c__Pi_1))[]{
-    int (*___retval_f11__PA0i_1)[];
+    __attribute__ ((unused)) int (*___retval_f11__PA0i_1)[];
 }
 int (*__f12__FPA0A0i_iPiPi__1(int __a__i_1, int *__b__Pi_1, int *__c__Pi_1))[][((long unsigned int )10)]{
-    int (*___retval_f12__PA0A0i_1)[][((long unsigned int )10)];
+    __attribute__ ((unused)) int (*___retval_f12__PA0A0i_1)[][((long unsigned int )10)];
 }
 int (*__f13__FPA0A0i_iPiPi__1(int __a__i_1, int *__b__Pi_1, int *__c__Pi_1))[][((long unsigned int )10)]{
-    int (*___retval_f13__PA0A0i_1)[][((long unsigned int )10)];
+    __attribute__ ((unused)) int (*___retval_f13__PA0A0i_1)[][((long unsigned int )10)];
 }
 int (*__f14__FPA0A0i_iPiPi__1(int __a__i_1, int *__b__Pi_1, int *__c__Pi_1))[][((long unsigned int )10)]{
-    int (*___retval_f14__PA0A0i_1)[][((long unsigned int )10)];
+    __attribute__ ((unused)) int (*___retval_f14__PA0A0i_1)[][((long unsigned int )10)];
 }
 const int __fred__FCi___1(){
-    const int ___retval_fred__Ci_1;
+    __attribute__ ((unused)) const int ___retval_fred__Ci_1;
     int *(*__x__PFPi_ii__2)(int __anonymous_object4, int __anonymous_object5);
     int __a__i_2;
@@ -88,8 +88,8 @@
     ((void)((*((int *(**)(int __x__i_1, int __y__i_1))(&_tmp_cp_ret0)))) /* ^?{} */);
     const int __f1__FCi_iPiPi__2(int __a__i_2, int *__b__Pi_2, int *__c__Pi_2){
-        const int ___retval_f1__Ci_2;
+        __attribute__ ((unused)) const int ___retval_f1__Ci_2;
     }
     const int __f2__FCi_iii__2(int __a__i_2, int __b__i_2, int __c__i_2){
-        const int ___retval_f2__Ci_2;
+        __attribute__ ((unused)) const int ___retval_f2__Ci_2;
     }
 }
