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-rw-r--r--src/compiler/scala/tools/nsc/backend/jvm/BCodeAsmCommon.scala8
-rw-r--r--test/files/pos/t8900.scala11
2 files changed, 15 insertions, 4 deletions
diff --git a/src/compiler/scala/tools/nsc/backend/jvm/BCodeAsmCommon.scala b/src/compiler/scala/tools/nsc/backend/jvm/BCodeAsmCommon.scala
index fc01f89580..54d4a30553 100644
--- a/src/compiler/scala/tools/nsc/backend/jvm/BCodeAsmCommon.scala
+++ b/src/compiler/scala/tools/nsc/backend/jvm/BCodeAsmCommon.scala
@@ -30,10 +30,10 @@ final class BCodeAsmCommon[G <: Global](val global: G) {
*/
def isAnonymousOrLocalClass(classSym: Symbol): Boolean = {
assert(classSym.isClass, s"not a class: $classSym")
- val res = (classSym.isAnonymousClass || !classSym.originalOwner.isClass)
- // lambda classes are always top-level classes.
- if (res) assert(!classSym.isDelambdafyFunction)
- res
+ // Here used to be an `assert(!classSym.isDelambdafyFunction)`: delambdafy lambda classes are
+ // always top-level. However, SI-8900 shows an example where the weak name-based implementation
+ // of isDelambdafyFunction failed (for a function declared in a package named "lambda").
+ classSym.isAnonymousClass || !classSym.originalOwner.isClass
}
/**
diff --git a/test/files/pos/t8900.scala b/test/files/pos/t8900.scala
new file mode 100644
index 0000000000..376bd786f2
--- /dev/null
+++ b/test/files/pos/t8900.scala
@@ -0,0 +1,11 @@
+package foo
+package lambdaking
+
+class Test {
+ def byname(b: => Any) = ???
+ def foo: Any = {
+ def bar: Any = {
+ byname(bar)
+ }
+ }
+}