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[pull] master from ruby:master #940

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Merged
pull merged 1 commit into from
Apr 17, 2026
Merged

[pull] master from ruby:master #940

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8 changes: 8 additions & 0 deletions tool/lib/envutil.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -48,6 +48,14 @@ class << self
attr_reader :original_internal_encoding, :original_external_encoding,
:original_verbose, :original_warning

if RUBY_ENGINE == "truffleruby"
# Tests relying on timeout have high variance on TruffleRuby due to the highly-optimizing JIT, deoptimization, profiling interpreter, different GC, etc.
# Setting a default timeout scale helps avoid transient failures for tests relying on timeouts.
# We choose 10 because it is the same number used in CRuby CI on macOS:
# https://github.com/ruby/ruby/blob/9d46b0c735877f152a0b4b16b8153c6f395dee28/.github/workflows/macos.yml#L133
self.timeout_scale = 10
end

def capture_global_values
@original_internal_encoding = Encoding.default_internal
@original_external_encoding = Encoding.default_external
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