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Handle zero limb when counting leading zeroes #1110

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Merged
merged 1 commit into from
Jun 25, 2025
Merged

Handle zero limb when counting leading zeroes #1110

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2 changes: 2 additions & 0 deletions quickjs.c
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Original file line number Diff line number Diff line change
Expand Up @@ -10617,6 +10617,8 @@ do { \
/* a != 0 */
static inline js_limb_t js_limb_clz(js_limb_t a)
{
if (!a)
return JS_LIMB_BITS;
return clz32(a);
}

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2 changes: 2 additions & 0 deletions tests/test_bigint.js
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Expand Up @@ -63,6 +63,8 @@ function test_bigint1()

r = 1n << 32n;
assert(r, 4294967296n, "1 << 32n === 4294967296n");

assert(String(-9223372036854775808n), "-9223372036854775808");
}

function test_bigint2()
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