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False "dead code" warning caused by repeated parameters #6339

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scabug opened this issue Sep 7, 2012 · 2 comments
Open

False "dead code" warning caused by repeated parameters #6339

scabug opened this issue Sep 7, 2012 · 2 comments
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@scabug
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scabug commented Sep 7, 2012 

% cat S.scala
object O { def foo(xs: Int*) { }; foo(Nil: _*) }
% /usr/local/scala-2.9.2/bin/scalac -Ywarn-dead-code S.scala
S.scala:1: warning: dead code following this construct
object O { def foo(xs: Int*) { }; foo(Nil: _*) }
                                         ^
one warning found

I checked and the same bug is present in 2.10.0-M7.

Note that -Ywarn-dead-code is part of -Xlint.
@scabug
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scabug commented Sep 7, 2012

Imported From: https://issues.scala-lang.org/browse/SI-6339?orig=1
Reporter: @SethTisue
Affected Versions: 2.9.2, 2.10.0-M7

@scabug
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scabug commented Sep 7, 2012

@paulp said:
The branch I point at in #6338 also takes warn-dead-code out of -Xlint.

@scabug scabug added this to the Backlog milestone Apr 7, 2017
@hrhino hrhino added the lint label Mar 1, 2018
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