gistfile1.txt

 % /usr/local/bin/rbx test.rb
A syntax error has occured:
    /usr/local/lib/rubinius/gems/1.8/gems/extlib-0.9.4/lib/extlib/lazy_array.rb:24: syntax error, unexpected ',', expecting '='
    near line /usr/local/lib/rubinius/gems/1.8/gems/extlib-0.9.4/lib/extlib/lazy_array.rb:24, column 28

Code:
        @array.total=(*args, &block)
                           ^

Backtrace:
                              String#to_sexp at kernel/core/string.rb:2225
                     Compiler.compile_string at /usr/local/lib/rubinius/0.9/compiler/compiler.rb:26
                      Compile.compile_string at kernel/core/compile.rb:70
      Module(Class)#class_eval (module_eval) at kernel/core/eval.rb:169
                 LazyArray.__class_init__ {} at /usr/local/lib/rubinius/gems/1.8/gems/extlib-0.9.4/lib/extlib/lazy_array.rb:22
                                  Array#each at kernel/core/array.rb:572
        LazyArray.__class_init__ (LazyArray) at /usr/local/lib/rubinius/gems/1.8/gems/extlib-0.9.4/lib/extlib/lazy_array.rb:21
                           Object#__script__ at /usr/local/lib/rubinius/gems/1.8/gems/extlib-0.9.4/lib/extlib/lazy_array.rb:1
                    CompiledMethod#as_script at kernel/core/compiled_method.rb:407
                         Compile.single_load at kernel/core/compile.rb:253
                        Compile.unified_load at kernel/core/compile.rb:120
    Kernel(Object)#gem_original_require (require) at kernel/core/compile.rb:459
                      Kernel(Object)#require at /usr/local/lib/rubinius/0.9/rubygems/custom_require.rb:34
                           Object#__script__ at /usr/local/lib/rubinius/gems/1.8/gems/extlib-0.9.4/lib/extlib.rb:12
                    CompiledMethod#as_script at kernel/core/compiled_method.rb:407
                         Compile.single_load at kernel/core/compile.rb:253
                     Compile.unified_load {} at kernel/core/compile.rb:160
                                  Array#each at kernel/core/array.rb:572
                        Compile.unified_load at kernel/core/compile.rb:127
    Kernel(Object)#gem_original_require (require) at kernel/core/compile.rb:459
                      Kernel(Object)#require at /usr/local/lib/rubinius/0.9/rubygems/custom_require.rb:34
                           Object#__script__ at /usr/local/lib/rubinius/gems/1.8/gems/dm-core-0.9.4/lib/dm-core.rb:24
                    CompiledMethod#as_script at kernel/core/compiled_method.rb:407
                         Compile.single_load at kernel/core/compile.rb:253
                     Compile.unified_load {} at kernel/core/compile.rb:160
                                  Array#each at kernel/core/array.rb:572
                        Compile.unified_load at kernel/core/compile.rb:127
    Kernel(Object)#gem_original_require (require) at kernel/core/compile.rb:459
                      Kernel(Object)#require at /usr/local/lib/rubinius/0.9/rubygems/custom_require.rb:32
                           Object#__script__ at test.rb:2
                    CompiledMethod#as_script at kernel/core/compiled_method.rb:407
                         Compile.single_load at kernel/core/compile.rb:253
                 Compile.load_from_extension at kernel/core/compile.rb:326
                           Object#__script__ at kernel/loader.rb:277

irb

 % irb
irb(main):001:0> class Foo
irb(main):002:1>   def bar=(*args, &block)
irb(main):003:2>     end
irb(main):004:1>   end
=> nil
irb(main):005:0> Foo.new.bar=(1,2,3)
SyntaxError: compile error
(irb):5: syntax error, unexpected ',', expecting ')'
Foo.new.bar=(1,2,3)
               ^
        from (irb):5

Rubinius

 % /usr/local/bin/rbx irb
class irb(main):001:0> class Foo
irb(main):002:1> def bar=(*args, &block)
irb(main):003:2> end
irb(main):004:1> end
=> #<CompiledMethod:0x5c1 name=bar= file=(irb)>
irb(main):005:0> Foo.new.bar=(1, 2, 3)
SyntaxError: (irb):5: syntax error, unexpected ',', expecting ')'
   from String#to_sexp at kernel/core/string.rb:2225
   from Compiler.compile_string at /usr/local/lib/rubinius/0.9/compiler/compiler.rb:26
   from Compile.compile_string at kernel/core/compile.rb:70