[ruby/irb] Check doc namespace correctly

IRB::InputCompletor::PerfectMatchedProc crashes when doc not found because a
variable name was incorrect.

https://github.com/ruby/irb/commit/889fd4928f

1 files changed, 3 insertions, 3 deletions

diff --git a/lib/irb/completion.rb b/lib/irb/completion.rb
index 1897b4928f..8c0474dcc5 100644
--- a/lib/irb/completion.rb
+++ b/lib/irb/completion.rb
@@ -265,14 +265,14 @@ module IRB
       end
     end
 
-    PerfectMatchedProc = ->(matched) {
+    PerfectMatchedProc = ->(matched, bind: IRB.conf[:MAIN_CONTEXT].workspace.binding) {
       RDocRIDriver ||= RDoc::RI::Driver.new
       if matched =~ /\A(?:::)?RubyVM/ and not ENV['RUBY_YES_I_AM_NOT_A_NORMAL_USER']
         IRB.send(:easter_egg)
         return
       end
-      namespace = retrieve_completion_data(matched, doc_namespace: true)
-      return unless matched
+      namespace = retrieve_completion_data(matched, bind: bind, doc_namespace: true)
+      return unless namespace
       if namespace.is_a?(Array)
         out = RDoc::Markup::Document.new
         namespace.each do |m|