tests: Enable varargs tests on aarch64

Author: Rua

tests/items/src/varargs.c

@@ -7,9 +7,6 @@ void call_printf(void) {
     printf("%d, %f\n", 10, 1.5);
 }
 
-// See #1281. Varargs don't yet work on aarch64.
-#ifndef __aarch64__
-
 void my_vprintf(const char *format, va_list ap) {
   vprintf(format, ap);
 }
@@ -137,5 +134,3 @@ double sample_stddev(int count, ...)
     va_end(args2);
     return sqrt(sum_sq_diff / count);
 }
-
-#endif

tests/pointers/src/function_pointers.c

@@ -16,18 +16,13 @@ int negintval(const char c) { return -c; }
 
 int varargs_intval(const char c, ...) { return c; }
 
-// See #1281. Varargs don't yet work on aarch64.
-#ifndef __aarch64__
-
 int varargs_fp(const int c, ...) {
   va_list arg;
   va_start(arg, c);
   char_to_int *fp = va_arg(arg, char_to_int *);
   return fp((char)c);
 }
 
-#endif
-
 void entry3(const unsigned sz, int buffer[const]) {
   int i = 0;
 
@@ -73,11 +68,9 @@ void entry3(const unsigned sz, int buffer[const]) {
   j = p4 != 0;
   j = 0 != p4;
 
-#ifndef __aarch64__
   va_char_to_int_fp p8 = varargs_intval;
   buffer[i++] = p8('A');
   buffer[i++] = (*p8)('B', 'C');
-#endif
 
   // Test valid casts between function pointers
   // with additional parameters
@@ -97,8 +90,6 @@ void entry3(const unsigned sz, int buffer[const]) {
   buffer[i++] = (*(s).fn)(('a'));
 
   buffer[i++] = p2 == intval;
-#ifndef __aarch64__
   buffer[i++] = varargs_fp('a', intval);
   buffer[i++] = varargs_fp('b', p2);
-#endif
 }