https://git.ruby-lang.org/ruby.git/commit/?id=308fe1eb85

From 308fe1eb858fd8029f67510a18bedfe0e850a87f Mon Sep 17 00:00:00 2001
From: Koichi Sasada <ko1@a...>
Date: Wed, 19 Jan 2022 17:43:07 +0900
Subject: Do not create core file if it is intentional abort

Two tests abort intentionally and they create core files if
possible. In these case, we don't need to see core files
so disable by `"Process.setrlimit(Process::RLIMIT_CORE, 0)` for
those cases.
---
 test/-ext-/bug_reporter/test_bug_reporter.rb | 3 ++-
 test/ruby/test_signal.rb                     | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/test/-ext-/bug_reporter/test_bug_reporter.rb b/test/-ext-/bug_reporter/test_bug_reporter.rb
index fc3bea207c1..990b6a2cc5b 100644
--- a/test/-ext-/bug_reporter/test_bug_reporter.rb
+++ b/test/-ext-/bug_reporter/test_bug_reporter.rb
@@ -19,9 +19,10 @@ class TestBugReporter < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/-ext-/bug_reporter/test_bug_reporter.rb#L19
     ]
     tmpdir = Dir.mktmpdir
 
+    no_core = "Process.setrlimit(Process::RLIMIT_CORE, 0); " if defined?(Process.setrlimit) && defined?(Process::RLIMIT_CORE)
     args = ["--disable-gems", "-r-test-/bug_reporter",
             "-C", tmpdir]
-    stdin = "register_sample_bug_reporter(12345); Process.kill :SEGV, $$"
+    stdin = "#{no_core}register_sample_bug_reporter(12345); Process.kill :SEGV, $$"
     assert_in_out_err(args, stdin, [], expected_stderr, encoding: "ASCII-8BIT")
   ensure
     FileUtils.rm_rf(tmpdir) if tmpdir
diff --git a/test/ruby/test_signal.rb b/test/ruby/test_signal.rb
index 1af40e9c5b9..c5043eea599 100644
--- a/test/ruby/test_signal.rb
+++ b/test/ruby/test_signal.rb
@@ -291,7 +291,8 @@ class TestSignal < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_signal.rb#L291
 
     if trap = Signal.list['TRAP']
       bug9820 = '[ruby-dev:48592] [Bug #9820]'
-      status = assert_in_out_err(['-e', 'Process.kill(:TRAP, $$)'])
+      no_core = "Process.setrlimit(Process::RLIMIT_CORE, 0); " if defined?(Process.setrlimit) && defined?(Process::RLIMIT_CORE)
+      status = assert_in_out_err(['-e', "#{no_core}Process.kill(:TRAP, $$)"])
       assert_predicate(status, :signaled?, bug9820)
       assert_equal(trap, status.termsig, bug9820)
     end
-- 
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