Show /proc/meminfo on NoMemoryError ref #8711

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42267 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/runner.rb

@@ -33,7 +33,6 @@ begin
 rescue NoMemoryError
   ObjectSpace.count_objects(h)
   p h
-  ObjectSpace.count_objects_size(h)
-  p h
+  system("cat /proc/meminfo") if File.exist?("/proc/meminfo")
   raise
 end