test/func/malloc fixes #401
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- `check_result()` `abort()` on `null` and non-`nullptr` result. Otherwise it just prints and doesn't end the test - Don't call `realloc(, 0)`; this has never been consistent and the current C2x draft (see §7.22.3.5 and N2464) finally just declares it to be undefined behavior. POSIX (2017) tolerates our current behavior of freeing the passed-in pointer and returning a new object.
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check_result()abort()onnulland non-nullptrresult. Otherwise itjust prints and doesn't end the test
Don't call
realloc(, 0); this has never been consistent and the current C2xdraft (see §7.22.3.5 and N2464) finally just declares it to be undefined
behavior. POSIX (2017) tolerates our current behavior of freeing the
passed-in pointer and returning a new object.