Missing `Math.sumPrecise()`

[i-love-neko-girls]

What version of Bun is running?

1.2.17+282dda62c

What platform is your computer?

Darwin 24.0.0 arm64 arm

What steps can reproduce the bug?

bun --print 'Math.sumPrecise'

What is the expected behavior?

[Function: sumPrecise]

What do you see instead?

undefined

Additional information

Bun v1.2.17 changelog mentioned:

Math.sumPrecise implements Radford M. Neal's xsum algorithm with a large superaccumulator for arrays with more than 1,000 elements, which is 10% faster on large datasets

but Math.sumPrecise is missing in Bun

[kravetsone]

https://github.com/tc39/proposal-math-sum

it is stage 3 proposal and u should enabled it by JSC flag //@ requireOptions("--useMathSumPreciseMethod=1") like this:

BUN_JSC_useMathSumPreciseMethod=1 bun index.ts

WebKit/WebKit@f49d6a4

[i-love-neko-girls]

can confirm it's present with flag, but i think it should be in Bun by default