Update to ruby/spec@7de852d

1 files changed, 5 insertions, 1 deletions

diff --git a/spec/ruby/core/io/shared/write.rb b/spec/ruby/core/io/shared/write.rb
index 3cd4f8954e..aa6b3eedeb 100644
--- a/spec/ruby/core/io/shared/write.rb
+++ b/spec/ruby/core/io/shared/write.rb
@@ -85,7 +85,11 @@ describe :io_write, shared: true do
       @r.read.should == "foo"
     end
 
-    without_feature :mjit do # [ruby-core:90895] MJIT worker may leave fd open in a forked child. TODO: consider acquiring GVL from MJIT worker.
+    # [ruby-core:90895] MJIT worker may leave fd open in a forked child.
+    # For instance, MJIT creates a worker before @r.close with fork(), @r.close happens,
+    # and the MJIT worker keeps the pipe open until the worker execve().
+    # TODO: consider acquiring GVL from MJIT worker.
+    guard_not -> { defined?(RubyVM::MJIT) && RubyVM::MJIT.enabled? } do
       it "raises Errno::EPIPE if the read end is closed and does not die from SIGPIPE" do
         @r.close
         -> { @w.send(@method, "foo") }.should raise_error(Errno::EPIPE, /Broken pipe/)