this one throws NullPointerException because it cannot parse the @ alternatives #257
Description
case e @ (_: IOException | _: Exception) => { println(e.getMessage) return false }
java.lang.NullPointerException at scala.tools.nsc.backend.icode.GenICode$ICodePhase$Context.exitScope(GenICode.scala:1921) at scala.tools.nsc.backend.icode.GenICode$ICodePhase.scala$tools$nsc$backend$icode$GenICode$ICodePhase$$genLoad(GenICode.s cala:924) at scala.tools.nsc.backend.icode.GenICode$ICodePhase.genLoadIf(GenICode.scala:373) at scala.tools.nsc.backend.icode.GenICode$ICodePhase.scala$tools$nsc$backend$icode$GenICode$ICodePhase$$genLoad(GenICode.s cala:536) at scala.tools.nsc.backend.icode.GenICode$ICodePhase.genLoadLabelDef$1(GenICode.scala:505) at scala.tools.nsc.backend.icode.GenICode$ICodePhase.scala$tools$nsc$backend$icode$GenICode$ICodePhase$$genLoad(GenICode.s cala:507) at scala.tools.nsc.backend.icode.GenICode$ICodePhase.scala$tools$nsc$backend$icode$GenICode$ICodePhase$$genStat(GenICode.$ cala:181) at scala.tools.nsc.backend.icode.GenICode$ICodePhase$$anonfun$genStat$1.apply(GenICode.scala:155) at scala.tools.nsc.backend.icode.GenICode$ICodePhase$$anonfun$genStat$1.apply(GenICode.scala:155) at scala.collection.LinearSeqOptimized$class.foldLeft(LinearSeqOptimized.scala:124) at scala.collection.immutable.List.foldLeft(List.scala:84) at scala.tools.nsc.backend.icode.GenICode$ICodePhase.scala$tools$nsc$backend$icode$GenICode$ICodePhase$$genLoad(GenICode.s cala:922) at scala.tools.nsc.backend.icode.GenICode$ICodePhase$$anonfun$6$$anonfun$apply$2.apply(GenICode.scala:411) at scala.tools.nsc.backend.icode.GenICode$ICodePhase$$anonfun$6$$anonfun$apply$2.apply(GenICode.scala:409) at scala.tools.nsc.backend.icode.GenICode$ICodePhase$Context$$anonfun$Try$2.apply(GenICode.scala:2083) at scala.tools.nsc.backend.icode.GenICode$ICodePhase$Context$$anonfun$Try$2.apply(GenICode.scala:2077) at scala.collection.TraversableLike$WithFilter$$anonfun$foreach$1.apply(TraversableLike.scala:733) at scala.collection.immutable.List.foreach(List.scala:381) at scala.collection.TraversableLike$WithFilter.foreach(TraversableLike.scala:732) at scala.tools.nsc.backend.icode.GenICode$ICodePhase$Context.Try(GenICode.scala:2077) at scala.tools.nsc.backend.icode.GenICode$ICodePhase.scala$tools$nsc$backend$icode$GenICode$ICodePhase$$genLoad(GenICode.s cala:590) at scala.tools.nsc.backend.icode.GenICode$ICodePhase.gen(GenICode.scala:123) at scala.tools.nsc.backend.icode.GenICode$ICodePhase.gen(GenICode.scala:71) at scala.tools.nsc.backend.icode.GenICode$ICodePhase.gen(GenICode.scala:148) at scala.tools.nsc.backend.icode.GenICode$ICodePhase.gen(GenICode.scala:98) at sbt.inc.Incremental$.compile(Incremental.scala:71) [1685/87337] at sbt.inc.IncrementalCompile$.apply(Compile.scala:54) at sbt.compiler.IC$.compileInternal(IncrementalCompiler.scala:160) at sbt.compiler.IC$.incrementalCompile(IncrementalCompiler.scala:138) at sbt.Compiler$.compile(Compiler.scala:155) at sbt.Compiler$.compile(Compiler.scala:141) at sbt.Defaults$.sbt$Defaults$$compileIncrementalTaskImpl(Defaults.scala:913) at sbt.Defaults$$anonfun$compileIncrementalTask$1.apply(Defaults.scala:904) at sbt.Defaults$$anonfun$compileIncrementalTask$1.apply(Defaults.scala:902) at scala.Function1$$anonfun$compose$1.apply(Function1.scala:47) at sbt.$tilde$greater$$anonfun$$u2219$1.apply(TypeFunctions.scala:40) at sbt.std.Transform$$anon$4.work(System.scala:63) at sbt.Execute$$anonfun$submit$1$$anonfun$apply$1.apply(Execute.scala:228) at sbt.Execute$$anonfun$submit$1$$anonfun$apply$1.apply(Execute.scala:228) at sbt.ErrorHandling$.wideConvert(ErrorHandling.scala:17) at sbt.Execute.work(Execute.scala:237) at sbt.Execute$$anonfun$submit$1.apply(Execute.scala:228) at sbt.Execute$$anonfun$submit$1.apply(Execute.scala:228) at sbt.ConcurrentRestrictions$$anon$4$$anonfun$1.apply(ConcurrentRestrictions.scala:159) at sbt.CompletionService$$anon$2.call(CompletionService.scala:28) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) [error] (compile:compileIncremental) java.lang.NullPointerException [error] Total time: 21 s, completed Apr 16, 2018 3:48:53 PM