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- --TEST--
- Bug #73954 (NAN check fails on Alpine Linux with musl)
- --FILE--
- <?php
- var_dump(NAN);
- var_dump(is_nan(NAN));
- function takes_int(int $int) {
- }
- takes_int(log(tan(3.14)));
- ?>
- --EXPECTF--
- float(NAN)
- bool(true)
- Fatal error: Uncaught TypeError: takes_int(): Argument #1 ($int) must be of type int, float given, called in %s:%d
- Stack trace:
- #0 %s(9): takes_int(NAN)
- #1 {main}
- thrown in %s on line 6
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