Trunk make test-all reports a lot of Errors

e$B:rF|$+$ie(B trunk e$B$Ne(B make test-all e$B$,e(B100e$B$/$i$$$Ne(B
Error e$B$r=P$7$F$*$j$^$9!#e(B

test/ruby/envutil.rb e$B$Ge(B ENV.dup e$B$7$F$$$k$N$,860x$N$h$&$G$9!#e(B
ENV.clone e$B$G$I$&$G$7$g$&$+!#e(B

Index: test/ruby/envutil.rb

— test/ruby/envutil.rb (revision 28442)
+++ test/ruby/envutil.rb (working copy)
@@ -78,7 +78,7 @@
err_p.set_encoding(enc) if err_p
end
c = “C”

  •  child_env = ENV.dup
    
  •  child_env = ENV.clone
     LANG_ENVS.each {|lc| child_env[lc] = c}
     case args.first
     when Hash
    

e$B0J>e!"$48!F$$/$@$5$$!#e(B