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// RUN: clang %s --test-pickling 2>&1 | grep -q 'SUCCESS' typedef unsigned __uint32_t; #define __byte_swap_int_var(x) \ __extension__ ({ register __uint32_t __X = (x); \ __asm ("bswap %0" : "+r" (__X)); \ __X; }) int test(int _x) { return (__byte_swap_int_var(_x)); }