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author | Josh Suereth <Joshua.Suereth@gmail.com> | 2012-07-30 11:40:10 -0700 |
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committer | Josh Suereth <Joshua.Suereth@gmail.com> | 2012-07-30 11:40:10 -0700 |
commit | e0b3e9e755d42da7d26977a6c6908a4239e49f3a (patch) | |
tree | 1bb06c42f0031068ec699a1bb32b7984bc4b8c6e | |
parent | 00fd27c3b4355054c883a15e08b6cc2449ae9253 (diff) | |
parent | e6912050bf6132cbe6338ce1d6786703757575ce (diff) | |
download | scala-e0b3e9e755d42da7d26977a6c6908a4239e49f3a.tar.gz scala-e0b3e9e755d42da7d26977a6c6908a4239e49f3a.tar.bz2 scala-e0b3e9e755d42da7d26977a6c6908a4239e49f3a.zip |
Merge pull request #981 from adriaanm/ticket-2038
SI-2038 make pt fully-defined when typing Typed
-rw-r--r-- | src/compiler/scala/tools/nsc/typechecker/Typers.scala | 4 | ||||
-rw-r--r-- | test/files/pos/t2038.scala | 5 |
2 files changed, 8 insertions, 1 deletions
diff --git a/src/compiler/scala/tools/nsc/typechecker/Typers.scala b/src/compiler/scala/tools/nsc/typechecker/Typers.scala index b1c3249e35..5c25cd008b 100644 --- a/src/compiler/scala/tools/nsc/typechecker/Typers.scala +++ b/src/compiler/scala/tools/nsc/typechecker/Typers.scala @@ -5019,7 +5019,9 @@ trait Typers extends Modes with Adaptations with Tags { if (isPatternMode) { val uncheckedTypeExtractor = extractorForUncheckedType(tpt.pos, tptTyped.tpe) val ownType = inferTypedPattern(tptTyped, tptTyped.tpe, pt, canRemedy = uncheckedTypeExtractor.nonEmpty) - treeTyped setType ownType + // println(s"Typed($expr, ${tpt.tpe}) : $pt --> $ownType (${isFullyDefined(ownType)}, ${makeFullyDefined(ownType)})") + // make fully defined to avoid bounded wildcard types that may be in pt from calling dropExistential (SI-2038) + treeTyped setType (if (isFullyDefined(ownType)) ownType else makeFullyDefined(ownType)) //ownType uncheckedTypeExtractor match { case None => treeTyped diff --git a/test/files/pos/t2038.scala b/test/files/pos/t2038.scala new file mode 100644 index 0000000000..17b1a702dd --- /dev/null +++ b/test/files/pos/t2038.scala @@ -0,0 +1,5 @@ +class Test { + List(Some(classOf[java.lang.Integer]), Some(classOf[Int])).map { + case Some(f: Class[_]) => f.cast(???) + } +}
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