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bpo-31338 (#3374)

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* Add Py_UNREACHABLE() as an alias to abort().
* Use Py_UNREACHABLE() instead of assert(0)
* Convert more unreachable code to use Py_UNREACHABLE()
* Document Py_UNREACHABLE() and a few other macros.
This commit is contained in:
Barry Warsaw 2017-09-14 18:13:16 -07:00 • committed by GitHub
parent d384a81f55
commit b2e5794870
22 changed files with 128 additions and 111 deletions
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Python/pyhash.c
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@ -175,7 +175,7 @@ _Py_HashBytes(const void *src, Py_ssize_t len)
case 2: hash = ((hash << 5) + hash) + *p++; /* fallthrough */
case 1: hash = ((hash << 5) + hash) + *p++; break;
default:
assert(0);
Py_UNREACHABLE();
}
hash ^= len;
hash ^= (Py_uhash_t) _Py_HashSecret.djbx33a.suffix;