/usr/include/isl/id_to_id.h is in libisl-dev 0.19-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | #ifndef ISL_ID_TO_ID_H
#define ISL_ID_TO_ID_H
#include <isl/id.h>
#include <isl/maybe_id.h>
#define ISL_KEY isl_id
#define ISL_VAL isl_id
#define ISL_HMAP_SUFFIX id_to_id
#define ISL_HMAP isl_id_to_id
#include <isl/hmap.h>
#undef ISL_KEY
#undef ISL_VAL
#undef ISL_HMAP_SUFFIX
#undef ISL_HMAP
#endif
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