Backport #7408

Assigned but unused warning cancelled by symbol

Added by Andrew Grimm over 1 year ago. Updated over 1 year ago.

[ruby-core:49659]
Status:Closed
Priority:Normal
Assignee:Usaku NAKAMURA

Description

If there is a symbol with the same name as an unused local variable, there is no "assigned but unused variable"

=begin
# nowarning.rb
def no
warning
foo = 1
{:foo => 1}
end

def has_warning
  foo = 1
  {:bar => 1}
end

$ ruby -v
ruby 2.0.0dev (2012-11-18) [x8664-darwin10.8.0]
$ ruby -w no
warning.rb
no_warning.rb:8: warning: assigned but unused variable - foo

=end

no_warning.rb Magnifier (105 Bytes) Andrew Grimm, 11/20/2012 06:00 PM

Associated revisions

Revision 38470
Added by Usaku NAKAMURA over 1 year ago

merge revision(s) 38039: [Backport #7408]

* parse.y (parser_yylex): fix false usage of local variable, it cannot
  appear in fname state  [Bug #7408]

History

#1 Updated by Yusuke Endoh over 1 year ago

  • Status changed from Open to Assigned
  • Assignee set to Nobuyoshi Nakada
  • Target version set to 2.0.0

#2 Updated by Nobuyoshi Nakada over 1 year ago

  • Status changed from Assigned to Closed
  • % Done changed from 0 to 100

This issue was solved with changeset r38039.
Andrew, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.


parse.y: false usage of local variable

  • parse.y (parser_yylex): fix false usage of local variable, it cannot appear in fname state [Bug #7408]

#3 Updated by Nobuyoshi Nakada over 1 year ago

  • Tracker changed from Bug to Backport
  • Project changed from ruby-trunk to Backport93
  • Status changed from Closed to Assigned
  • Assignee changed from Nobuyoshi Nakada to Usaku NAKAMURA
  • Target version deleted (2.0.0)

#4 Updated by Usaku NAKAMURA over 1 year ago

  • Status changed from Assigned to Closed

This issue was solved with changeset r38470.
Andrew, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.


merge revision(s) 38039: [Backport #7408]

* parse.y (parser_yylex): fix false usage of local variable, it cannot
  appear in fname state  [Bug #7408]

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