sparc-crash.diff

diff --git a/tests/posix/common/src/pthread.c b/tests/posix/common/src/pthread.c
index 6a4c4d267f..4fd4673b9c 100644
--- a/tests/posix/common/src/pthread.c
+++ b/tests/posix/common/src/pthread.c
@@ -596,6 +596,25 @@ ZTEST(posix_apis, test_pthread_descriptor_leak)
        for (size_t i = 0; i < CONFIG_MAX_PTHREAD_COUNT * 2; ++i) {
                zassert_ok(pthread_create(&pthread1, &attr, create_thread1, NULL),
                           "unable to create thread %zu", i);
+
+               // Any of the following make the test pass:
+               //k_sleep(K_TICKS(1));
+               //usleep(1);
+               //k_yield();
+               //k_busy_wait(1);
+
+               // So does this, which is far too small to be
+               // impactful as a delay; it generates as just four
+               // instructions!
+               for(volatile int i = 0; i < 1; i++); // ?!!?
+
+               // But this does NOT fix the problem, implying that
+               // the critical state is the extra word on the stack
+               // frame implied by the above code?  But I tried a few
+               // different ways to force changes to the stack frame
+               // size without success.
+               //__asm__ volatile("nop; nop; nop; nop");
+
                zassert_ok(pthread_join(pthread1, &unused), "unable to join thread %zu", i);
        }
 }