diff options
| -rw-r--r-- | src/compiler/scala/tools/nsc/typechecker/RefChecks.scala | 2 | ||||
| -rw-r--r-- | test/files/neg/t6283.check | 4 | ||||
| -rw-r--r-- | test/files/neg/t6283.scala | 1 |
3 files changed, 7 insertions, 0 deletions
diff --git a/src/compiler/scala/tools/nsc/typechecker/RefChecks.scala b/src/compiler/scala/tools/nsc/typechecker/RefChecks.scala index 9201981635..166bb2d18c 100644 --- a/src/compiler/scala/tools/nsc/typechecker/RefChecks.scala +++ b/src/compiler/scala/tools/nsc/typechecker/RefChecks.scala @@ -1618,6 +1618,8 @@ abstract class RefChecks extends InfoTransform with reflect.internal.transform.R if ((clazz isSubClass AnyValClass) && !isPrimitiveValueClass(clazz)) { if (clazz.isTrait) unit.error(clazz.pos, "Only classes (not traits) are allowed to extend AnyVal") + else if ((clazz != AnyValClass) && clazz.hasFlag(ABSTRACT)) + unit.error(clazz.pos, "`abstract' modifier cannot be used with value classes") } } diff --git a/test/files/neg/t6283.check b/test/files/neg/t6283.check new file mode 100644 index 0000000000..69e417ee93 --- /dev/null +++ b/test/files/neg/t6283.check @@ -0,0 +1,4 @@ +t6283.scala:1: error: `abstract' modifier cannot be used with value classes +abstract class Funky(val i: Int) extends AnyVal + ^ +one error found diff --git a/test/files/neg/t6283.scala b/test/files/neg/t6283.scala new file mode 100644 index 0000000000..d41eb18a74 --- /dev/null +++ b/test/files/neg/t6283.scala @@ -0,0 +1 @@ +abstract class Funky(val i: Int) extends AnyVal |