Avoid overlapping cfg attributes when both macOS and aarch64

library/std/src/sys/unix/process/process_common/tests.rs

@@ -14,17 +14,22 @@ macro_rules! t {
     };
 }
 
+#[test]
+#[cfg_attr(
+    any(
         // See #14232 for more information, but it appears that signal delivery to a
         // newly spawned process may just be raced in the macOS, so to prevent this
         // test from being flaky we ignore it on macOS.
-#[test]
-#[cfg_attr(target_os = "macos", ignore)]
+        target_os = "macos",
         // When run under our current QEMU emulation test suite this test fails,
         // although the reason isn't very clear as to why. For now this test is
         // ignored there.
-#[cfg_attr(target_arch = "arm", ignore)]
-#[cfg_attr(target_arch = "aarch64", ignore)]
-#[cfg_attr(target_arch = "riscv64", ignore)]
+        target_arch = "arm",
+        target_arch = "aarch64",
+        target_arch = "riscv64",
+    ),
+    ignore
+)]
 fn test_process_mask() {
     unsafe {
         // Test to make sure that a signal mask does not get inherited.