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| author | liu fengyun <liu@fengy.me> | 2017-04-13 14:32:05 +0200 |
|---|---|---|
| committer | liu fengyun <liu@fengy.me> | 2017-04-13 14:32:05 +0200 |
| commit | cf37737f56db7bc2f7429f78328dc5eea1716356 (patch) | |
| tree | f5d643fd2e0f3b12cdcb339df112763645eae0be | |
| parent | 15e8d83a377398c9c13a5319a23645d10b14579a (diff) | |
| download | dotty-cf37737f56db7bc2f7429f78328dc5eea1716356.tar.gz dotty-cf37737f56db7bc2f7429f78328dc5eea1716356.tar.bz2 dotty-cf37737f56db7bc2f7429f78328dc5eea1716356.zip | |
fix #2253: avoid exception with refinement types
| -rw-r--r-- | compiler/src/dotty/tools/dotc/transform/patmat/Space.scala | 1 | ||||
| -rw-r--r-- | tests/patmat/i2253.scala | 7 |
2 files changed, 8 insertions, 0 deletions
diff --git a/compiler/src/dotty/tools/dotc/transform/patmat/Space.scala b/compiler/src/dotty/tools/dotc/transform/patmat/Space.scala index 229545a57..fe2983896 100644 --- a/compiler/src/dotty/tools/dotc/transform/patmat/Space.scala +++ b/compiler/src/dotty/tools/dotc/transform/patmat/Space.scala @@ -537,6 +537,7 @@ class SpaceEngine(implicit ctx: Context) extends SpaceLogic { tp.refinedName, tpb.derivedTypeBounds(follow(lo, false), follow(hi, true)) ) + case tp => tp } case _ => tp } diff --git a/tests/patmat/i2253.scala b/tests/patmat/i2253.scala new file mode 100644 index 000000000..8394a86df --- /dev/null +++ b/tests/patmat/i2253.scala @@ -0,0 +1,7 @@ +sealed trait S +object O extends S +trait T + +class Test { + def m(s: S { val x: Int }) = s match { case _: T => ; } +}
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