When converting from binary to decimal with to_i(2), the result will be 0 if it contains multiple underscores. #7749
Description
Environment Information
$ jruby -v
jruby 9.4.2.0 (3.1.0) 2023-03-08 90d2913fda Java HotSpot(TM) 64-Bit Server VM 25.121-b13 on 1.8.0_121-b13 +jit [x86_64-darwin]
$ uname -a
Darwin MacBook-Air.local 22.4.0 Darwin Kernel Version 22.4.0: Mon Mar 6 21:00:41 PST 2023; root:xnu-8796.101.5~3/RELEASE_ARM64_T8103 arm64
Expected Behavior
# ruby -v
ruby 3.0.2p107 (2021-07-07 revision 0db68f0233) [aarch64-linux-gnu]
# uname -a
Linux 0ff438a0da33 5.15.49-linuxkit #1 SMP PREEMPT Tue Sep 13 07:51:32 UTC 2022 aarch64 aarch64 aarch64 GNU/Linux
# irb
> '0000_0010'.to_i(2)
=> 2
> '000000000010'.to_i(2)
=> 2
> '0000_0000_0010'.to_i(2)
=> 2
Actual Behavior
> '0000_0010'.to_i(2)
=> 2
👌
> '000000000010'.to_i(2)
=> 2
👌
> '0000_0000_0010'.to_i(2)
=> 0
🙅