diff options
| -rw-r--r-- | src/compiler/scala/tools/nsc/typechecker/RefChecks.scala | 4 | ||||
| -rw-r--r-- | test/files/pos/t7716.scala | 16 |
2 files changed, 19 insertions, 1 deletions
diff --git a/src/compiler/scala/tools/nsc/typechecker/RefChecks.scala b/src/compiler/scala/tools/nsc/typechecker/RefChecks.scala index db899b44f9..09c4878b2f 100644 --- a/src/compiler/scala/tools/nsc/typechecker/RefChecks.scala +++ b/src/compiler/scala/tools/nsc/typechecker/RefChecks.scala @@ -1826,9 +1826,11 @@ abstract class RefChecks extends InfoTransform with scala.reflect.internal.trans case LabelDef(_, _, _) if treeInfo.hasSynthCaseSymbol(result) => val old = inPattern inPattern = true - val res = deriveLabelDef(result)(transform) + val res = deriveLabelDef(result)(transform) // TODO SI-7756 Too broad! The code from the original case body should be fully refchecked! inPattern = old res + case ValDef(_, _, _, _) if treeInfo.hasSynthCaseSymbol(result) => + deriveValDef(result)(transform) // SI-7716 Don't refcheck the tpt of the synthetic val that holds the selector. case _ => super.transform(result) } diff --git a/test/files/pos/t7716.scala b/test/files/pos/t7716.scala new file mode 100644 index 0000000000..40117051ed --- /dev/null +++ b/test/files/pos/t7716.scala @@ -0,0 +1,16 @@ +object Test { + def test: Unit = { + val e: java.lang.Enum[_] = java.util.concurrent.TimeUnit.SECONDS + e match { case x => println(x) } + + + trait TA[X <: CharSequence] + val ta: TA[_] = new TA[String] {} + + ta match { + case _ => println("hi") + } + + def f(ta: TA[_]) = ta match { case _ => "hi" } + } +} |