Delete unportable test

Author: lucic71

tests/unit/builtin.c

@@ -67,10 +67,6 @@ static void test_mul_overflow_long_long(void) {
   assert(__builtin_mul_overflow(LLONG_MAX, 2LL, &r));
 }
 
-#if defined(__x86_64__) || defined(__i386__)
-static void test_ia32_pause(void) { __builtin_ia32_pause(); }
-#endif
-
 int main(void) {
   test_expect();
   test_ctz();
@@ -82,8 +78,5 @@ int main(void) {
   test_popcountl();
   test_mul_overflow_long();
   test_mul_overflow_long_long();
-#if defined(__x86_64__) || defined(__i386__)
-  test_ia32_pause();
-#endif
   return 0;
 }

tests/unit/out/refcount/builtin.rs

@@ -69,9 +69,6 @@ pub fn test_mul_overflow_long_long_9() {
         ovf
     });
 }
-pub fn test_ia32_pause_10() {
-    std::hint::spin_loop();
-}
 pub fn main() {
     std::process::exit(main_0());
 }
@@ -86,6 +83,5 @@ fn main_0() -> i32 {
     ({ test_popcountl_7() });
     ({ test_mul_overflow_long_8() });
     ({ test_mul_overflow_long_long_9() });
-    ({ test_ia32_pause_10() });
     return 0;
 }

tests/unit/out/unsafe/builtin.rs

@@ -69,9 +69,6 @@ pub unsafe fn test_mul_overflow_long_long_9() {
         ovf
     });
 }
-pub unsafe fn test_ia32_pause_10() {
-    std::hint::spin_loop();
-}
 pub fn main() {
     unsafe {
         std::process::exit(main_0() as i32);
@@ -88,6 +85,5 @@ unsafe fn main_0() -> i32 {
     (unsafe { test_popcountl_7() });
     (unsafe { test_mul_overflow_long_8() });
     (unsafe { test_mul_overflow_long_long_9() });
-    (unsafe { test_ia32_pause_10() });
     return 0;
 }