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Bug #17534

closed

Pattern-matching is broken with find pattern

Added by zverok (Victor Shepelev) over 1 year ago. Updated over 1 year ago.

Status:
Closed
Priority:
Normal
Assignee:
-
Target version:
-
[ruby-core:102061]

Description

The minimal reproduction code:

case [1, 2, 3]
in y
  puts "branch1"
in [*, x, *]
  puts "branch2"
else
  puts "branch3"
end

This outputs long "raw disasm" sequence, and then

---------------------
break_pm.rb:6: argument stack underflow (-1)
break_pm.rb: compile error (SyntaxError)
$ ruby -v
ruby 3.1.0dev (2021-01-13T09:12:49Z master 6f6dfdcc68) [x86_64-linux]
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