Style/SymbolProc cop crashes when method call has no receiver

[smangelsdorf]

The Style/SymbolProc cop will crash when it encounters a line of code which looks like:

coll.map { |s| bare_method }

Crash message is:

An error occurred while Style/SymbolProc cop was inspecting /Users/shaun/tmp/test.rb
undefined method `type' for nil:NilClass
/Users/shaun/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/rubocop-0.26.0/lib/rubocop/cop/style/symbol_proc.rb:36:in `on_block'

$ rubocop -V
0.26.0 (using Parser 2.2.0.pre.4, running on ruby 2.1.2 x86_64-darwin13.0)

Pull request incoming...

[joshchu]

👍 we hit this as well!