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LibJS: Ensure shift values in left_shift are modded by 32

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This is equivalent to 58d6a2d0192b7860ecb2edb4aa5d36b389213a15 but for
the left shift operation.
This commit is contained in:
Idan Horowitz 2021-06-30 19:50:23 +03:00 committed by Andreas Kling
parent 2c2cf90661
commit 38b8fa8f3e
Notes: sideshowbarker 2024-07-18 11:11:53 +09:00 
Author: https://github.com/IdanHo
Commit: https://github.com/SerenityOS/serenity/commit/38b8fa8f3e2
Pull-request: https://github.com/SerenityOS/serenity/pull/8339
1 changed files with 1 additions and 1 deletions
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2
Userland/Libraries/LibJS/Runtime/Value.cpp
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@ -993,7 +993,7 @@ Value left_shift(GlobalObject& global_object, Value lhs, Value rhs)
return lhs_numeric;
// Ok, so this performs toNumber() again but that "can't" throw
auto lhs_i32 = lhs_numeric.to_i32(global_object);
auto rhs_u32 = rhs_numeric.to_u32(global_object);
auto rhs_u32 = rhs_numeric.to_u32(global_object) % 32;
return Value(lhs_i32 << rhs_u32);
}
if (both_bigint(lhs_numeric, rhs_numeric)) {