The Tor Browser / file comparison
comparison: js/src/jit-test/tests/ion/bug889451.js
js/src/jit-test/tests/ion/bug889451.js
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:15366eebf10e |
|---|---|
| 1 /* | |
| 2 js> (((-1 >>> 1) + 1) * Math.pow(2, 52 - 30) + 1) & 1 | |
| 3 0 | |
| 4 js> (((-1 >> 1) + 1) * Math.pow(2, 52 - 30) + 1) & 1 | |
| 5 1 | |
| 6 */ | |
| 7 | |
| 8 function f(x) { | |
| 9 if (x >= 0) { | |
| 10 // if it does not fail, try with lower power of 2. | |
| 11 return (((x >>> 1) + 1) * 4194304 /* 2 ** (52 - 30) */ + 1) & 1; | |
| 12 } | |
| 13 return 2; | |
| 14 } | |
| 15 | |
| 16 assertEq(f(-1 >>> 1), 1); | |
| 17 assertEq(f(-1 >>> 0), 0); | |
| 18 assertEq(f(-1 >>> 0), 0); |
