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[3.6] bpo-30923: Silence fall-through warnings included in -Wextra since gcc-7.0 (#3518)

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* bpo-30923: Disable warning that has been part of -Wextra since gcc-7.0. (#3142)

(cherry picked from commit d73a960c57)

* bpo-30923: Silence fall-through warnings included in -Wextra since gcc-7.0. (#3157)

(cherry picked from commit f432a3234f)

* bpo-31275: Small refactoring to silence a fall-through warning. (#3206)

(cherry picked from commit 138753c1b9)
This commit is contained in:
Victor Stinner 2017-09-12 16:09:44 -07:00 • committed by GitHub
parent 5013a5ebc9
commit c0e77364ca
14 changed files with 41 additions and 27 deletions
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12
Python/pyhash.c
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@ -393,13 +393,13 @@ siphash24(const void *src, Py_ssize_t src_sz) {
pt = (uint8_t *)&t;
m = (uint8_t *)in;
switch (src_sz) {
case 7: pt[6] = m[6];
case 6: pt[5] = m[5];
case 5: pt[4] = m[4];
case 7: pt[6] = m[6]; /* fall through */
case 6: pt[5] = m[5]; /* fall through */
case 5: pt[4] = m[4]; /* fall through */
case 4: memcpy(pt, m, sizeof(uint32_t)); break;
case 3: pt[2] = m[2];
case 2: pt[1] = m[1];
case 1: pt[0] = m[0];
case 3: pt[2] = m[2]; /* fall through */
case 2: pt[1] = m[1]; /* fall through */
case 1: pt[0] = m[0]; /* fall through */
}
b |= _le64toh(t);