remove assertion.

Author: ddtthh

compiler/src/dotty/tools/backend/jvm/BCodeBodyBuilder.scala

@@ -1798,14 +1798,6 @@ trait BCodeBodyBuilder extends BCodeSkelBuilder {
         boxInstantiated(toTypeKind(lambdaTarget.info.resultType), samMethodBType.returnType)
       )
 
-      // check that types are equal for parameters and return type as required by spec of altMetafactory
-      def checkInstantiated(a: BType, b: BType): Boolean =
-        (!a.isPrimitive && !b.isPrimitive) || (a.isPrimitive && b.isPrimitive && a == b)
-      assert(
-        samMethodBType.argumentTypes.zip(instantiatedMethodBType.argumentTypes).forall(checkInstantiated) && checkInstantiated(samMethodBType.returnType,
-        instantiatedMethodBType.returnType), s"Primitive types must be equal: ${samMethodBType} vs. $instantiatedMethodBType"
-      )
-
       val instantiatedMethodType = instantiatedMethodBType.toASMType
 
       // scala/bug#10334: make sure that a lambda object for `T => U` has a method `apply(T)U`, not only the `(Object)Object`