nobu	2017-12-24 11:38:27 +0900 (Sun, 24 Dec 2017)

  New Revision: 61437

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=61437

  Log:
    compile.c: toplevel return arguments
    
    * compile.c (compile_return): evaluate arguments to top-level
      return but ignore the results.

  Modified files:
    trunk/compile.c
    trunk/test/ruby/test_syntax.rb
Index: compile.c
===================================================================
--- compile.c	(revision 61436)
+++ compile.c	(revision 61437)
@@ -5367,7 +5367,6 @@ compile_return(rb_iseq_t *iseq, LINK_ANC https://github.com/ruby/ruby/blob/trunk/compile.c#L5367
 		/* plain top-level, leave directly */
 		type = ISEQ_TYPE_METHOD;
 	    }
-	    retval = 0;
 	    break;
 	  default:
 	    break;
Index: test/ruby/test_syntax.rb
===================================================================
--- test/ruby/test_syntax.rb	(revision 61436)
+++ test/ruby/test_syntax.rb	(revision 61437)
@@ -1006,6 +1006,7 @@ eom https://github.com/ruby/ruby/blob/trunk/test/ruby/test_syntax.rb#L1006
       begin raise; ensure return; end; self
       begin raise; ensure return; end and self
       nil&defined?0--begin e=no_method_error(); return; 0;end
+      return puts('ignored') #=> ignored
     end;
       .split(/\n/).map {|s|[(line+=1), *s.split(/#=> /, 2)]}
     failed = proc do |n, s|

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