Ruby: Ruby 2.4.1 has "Stack consistency error" and aborts when processing return statement within a case statement

Hi, I found the following file causes a ruby bug stating "Stack consistency error" and aborts. File: 0case when 0 return end xxd -g1 output of file 00000000: 30 3e 63 61 73 65 0a 77 68 65 6e 20 30 0a 72 65 0case.when 0.re 00000010: 74 75 72 6e 20 65 6e 64 0a turn end. ruby output: crash.rb:3: BUG...