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tests: add another explicit barrier
Just to be sure compiler cannot optimize this out.
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@ -66,6 +66,7 @@ int main (int argc, char *argv[])
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rot13(aes);
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snprintf(table, sizeof(table), "%s %s 0 %s %u", cipher, aes, device, sz);
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memset(aes, 0, sizeof(aes));
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asm volatile ("" ::: "memory");/* Compiler barrier. */
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(void) dm_task_add_target(dmt, 0, sz, "crypt", table);
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memset(table, 0, sizeof(table));
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asm volatile ("" ::: "memory");/* Compiler barrier. */
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