require_relative with Named Pipe Gives Incorrect Error #6286
Description
Environment Information
$ ruby --version
jruby 9.2.9.0 (2.5.7) 2019-10-30 458ad3e OpenJDK 64-Bit Server VM 25.181-b01 on 1.8.0_181-google-v7-313002728-313002728 +jit [linux-x86_64]Expected Behavior
via MRI:
$ ruby << EOF
require_relative '../util'
EOF
Traceback (most recent call last):
1: from -:1:in `<main>'
-:1:in `require_relative': cannot infer basepath (LoadError)
Actual Behavior
via JRuby
$ ruby << EOF
> require_relative '../util'
> EOF
Errno::ENOENT: No such file or directory - /usr/local/home/aryeh/test/-
realpath at org/jruby/RubyFile.java:903
require_relative at org/jruby/RubyKernel.java:1001
<main> at -:1An error with MRI and JRuby, but the MRI error is helpful for resolving the issue in question via StackOverflow, etc (is "googleable").