Fix KotlinReflectionInternalError on invoking callBy with defaults in supertypes

There are two parts in this change:

1) Previously, we looked up $default methods with the incorrect
   signature in supertypes. For example in defaultInSuperClass.kt, we'd
   try to find a method foo$default with the signature `(B, String,
   String, int, Object)` in the class A. Now we're modifying the array
   of parameter types on each step if we're looking for a static
   $default method, by assigning its first element to be the containing
   class. This fixes cases when defaults come from a superclass.
2) For interfaces, $default methods are actually located in the
   corresponding DefaultImpls class. Now we look up that class and
   search for the $default method there. Note that this is needed
   because of KT-33430. This fixes cases when defaults come from a
   superinterface.

 #KT-13936 Fixed
This commit is contained in:
Alexander Udalov
2019-08-20 12:08:41 +02:00
parent cb2e68fece
commit d59f2bcc80
8 changed files with 133 additions and 15 deletions
@@ -20614,6 +20614,16 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
runTest("compiler/testData/codegen/box/reflection/callBy/defaultAndNonDefaultIntertwined.kt");
}
@TestMetadata("defaultInSuperClass.kt")
public void testDefaultInSuperClass() throws Exception {
runTest("compiler/testData/codegen/box/reflection/callBy/defaultInSuperClass.kt");
}
@TestMetadata("defaultInSuperInterface.kt")
public void testDefaultInSuperInterface() throws Exception {
runTest("compiler/testData/codegen/box/reflection/callBy/defaultInSuperInterface.kt");
}
@TestMetadata("extensionFunction.kt")
public void testExtensionFunction() throws Exception {
runTest("compiler/testData/codegen/box/reflection/callBy/extensionFunction.kt");