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author | liu fengyun <liu@fengy.me> | 2017-04-13 15:03:13 +0200 |
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committer | GitHub <noreply@github.com> | 2017-04-13 15:03:13 +0200 |
commit | fb4adc3c9c55476d2fe0deed22cff54e8e945406 (patch) | |
tree | b7577f66688ed793a73ff543042a140e62cbe80d /compiler/src/dotty/tools/dotc/core/TypeOps.scala | |
parent | cf37737f56db7bc2f7429f78328dc5eea1716356 (diff) | |
parent | de6461ab17562dbb46a1ff094590e051d03cb54c (diff) | |
download | dotty-fb4adc3c9c55476d2fe0deed22cff54e8e945406.tar.gz dotty-fb4adc3c9c55476d2fe0deed22cff54e8e945406.tar.bz2 dotty-fb4adc3c9c55476d2fe0deed22cff54e8e945406.zip |
Merge branch 'master' into fix-2253
Diffstat (limited to 'compiler/src/dotty/tools/dotc/core/TypeOps.scala')
-rw-r--r-- | compiler/src/dotty/tools/dotc/core/TypeOps.scala | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/compiler/src/dotty/tools/dotc/core/TypeOps.scala b/compiler/src/dotty/tools/dotc/core/TypeOps.scala index 9593bfe93..4a1c3d044 100644 --- a/compiler/src/dotty/tools/dotc/core/TypeOps.scala +++ b/compiler/src/dotty/tools/dotc/core/TypeOps.scala @@ -7,6 +7,7 @@ import SymDenotations._, Denotations.SingleDenotation import config.Printers.typr import util.Positions._ import NameOps._ +import NameKinds.DepParamName import Decorators._ import StdNames._ import Annotations._ @@ -158,7 +159,11 @@ trait TypeOps { this: Context => // TODO: Make standalone object. case tp1 => tp1 } case tp: TypeParamRef => - typerState.constraint.typeVarOfParam(tp) orElse tp + if (tp.paramName.is(DepParamName)) { + val bounds = ctx.typeComparer.bounds(tp) + if (bounds.lo.isRef(defn.NothingClass)) bounds.hi else bounds.lo + } + else typerState.constraint.typeVarOfParam(tp) orElse tp case _: ThisType | _: BoundType | NoPrefix => tp case tp: RefinedType => |