#if defined(__cplusplus)
extern "C" {
#endif

int block_merging_1() __INTRODUCED_IN(10); // foo
int block_merging_2() __INTRODUCED_IN(10); /* bar */
int block_merging_3() __INTRODUCED_IN(10); /* baz
//*/
int block_merging_4() __INTRODUCED_IN(10);

#if defined(__cplusplus)
}
#endif