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-rw-r--r--compiler/src/dotty/tools/dotc/transform/patmat/Space.scala1
-rw-r--r--tests/patmat/i2253.scala7
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 => ; }
+} \ No newline at end of file