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-rw-r--r--src/compiler/scala/tools/nsc/typechecker/RefChecks.scala11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/compiler/scala/tools/nsc/typechecker/RefChecks.scala b/src/compiler/scala/tools/nsc/typechecker/RefChecks.scala
index 8034d056d7..106b076eef 100644
--- a/src/compiler/scala/tools/nsc/typechecker/RefChecks.scala
+++ b/src/compiler/scala/tools/nsc/typechecker/RefChecks.scala
@@ -95,6 +95,15 @@ abstract class RefChecks extends Transform {
)
}
+ private val separatelyCompiledScalaSuperclass = perRunCaches.newAnyRefMap[Symbol, Unit]()
+ final def isSeparatelyCompiledScalaSuperclass(sym: Symbol) = if (globalPhase.refChecked){
+ separatelyCompiledScalaSuperclass.contains(sym)
+ } else {
+ // conservative approximation in case someone in pre-refchecks phase asks for `exitingFields(someClass.info)`
+ // and we haven't run the refchecks tree transform which populates `separatelyCompiledScalaSuperclass`
+ false
+ }
+
class RefCheckTransformer(unit: CompilationUnit) extends Transformer {
var localTyper: analyzer.Typer = typer
@@ -854,6 +863,8 @@ abstract class RefChecks extends Transform {
// println("validate base type "+tp)
val baseClass = tp.typeSymbol
if (baseClass.isClass) {
+ if (!baseClass.isTrait && !baseClass.isJavaDefined && !currentRun.compiles(baseClass) && !separatelyCompiledScalaSuperclass.contains(baseClass))
+ separatelyCompiledScalaSuperclass.update(baseClass, ())
val index = clazz.info.baseTypeIndex(baseClass)
if (index >= 0) {
if (seenTypes(index) forall (tp1 => !(tp1 <:< tp)))