Truffleruby test failure in test_performance_warning(TC_OpenStruct)

[olleolleolle]

There is a current test failure on TruffleRuby, in the test test_performance_warning(TC_OpenStruct).

===============================================================================
Failure: test_performance_warning(TC_OpenStruct):
  pid 1875 exit 0
  | /home/runner/.rubies/truffleruby-24.1.1/lib/mri/rubygems.rb:1207: warning: unstable interpolated regexps cause deoptimization loops which hurt performance significantly, avoid creating regexps dynamically where possible or cache them to fix this
  | -e:1: warning: OpenStruct use is discouraged for performance reasons
  .
  
  1. [2/3] Assertion for "stderr"
     | <["-e:1: warning: OpenStruct use is discouraged for performance reasons"]> expected but was
     | <["/home/runner/.rubies/truffleruby-24.1.1/lib/mri/rubygems.rb:1207: warning: unstable interpolated regexps cause deoptimization loops which hurt performance significantly, avoid creating regexps dynamically where possible or cache them to fix this",
     |  "-e:1: warning: OpenStruct use is discouraged for performance reasons"]>.
     | 
     | diff:
     | + ["/home/runner/.rubies/truffleruby-24.1.1/lib/mri/rubygems.rb:1207: warning: unstable interpolated regexps cause deoptimization loops which hurt performance significantly, avoid creating regexps dynamically where possible or cache them to fix this",
     | - ["-e:1: warning: OpenStruct use is discouraged for performance reasons"]
     | ? ^
     | +  "-e:1: warning: OpenStruct use is discouraged for performance reasons"]
     | ? ^
     | 
     | folded diff:
     | + ["/home/runner/.rubies/truffleruby-24.1.1/lib/mri/rubygems.rb:1207: warning: u
     | + nstable interpolated regexps cause deoptimization loops which hurt performance
     | +  significantly, avoid creating regexps dynamically where possible or cache the
     | + m to fix this",
     | - ["-e:1: warning: OpenStruct use is discouraged for performance reasons"]
     | ? ^
     | +  "-e:1: warning: OpenStruct use is discouraged for performance reasons"]
     | ? ^.
  <false> is not true.
/home/runner/work/ostruct/ostruct/vendor/bundle/truffleruby/3.2.4.24.1.0.1/gems/test-unit-ruby-core-1.0.6/lib/core_assertions.rb:540:in `assert'
/home/runner/work/ostruct/ostruct/vendor/bundle/truffleruby/3.2.4.24.1.0.1/gems/test-unit-ruby-core-1.0.6/lib/core_assertions.rb:774:in `assert_all_assertions'
/home/runner/work/ostruct/ostruct/vendor/bundle/truffleruby/3.2.4.24.1.0.1/gems/test-unit-ruby-core-1.0.6/lib/core_assertions.rb:110:in `assert_in_out_err'
/home/runner/work/ostruct/ostruct/test/ostruct/test_ostruct.rb:425:in `test_performance_warning'