Fix checker for -Xjvm-defaults

compiler/testData/compileKotlinAgainstCustomBinaries/jvmDefaultClashWithNoCompatibility/library/a.kt

@@ -0,0 +1,5 @@
+package base
+
+interface UExpression {
+    fun evaluate(): Any? = "fail"
+}

compiler/testData/compileKotlinAgainstCustomBinaries/jvmDefaultClashWithNoCompatibility/output.txt

@@ -0,0 +1,4 @@
+compiler/testData/compileKotlinAgainstCustomBinaries/jvmDefaultClashWithNoCompatibility/source.kt:12:7: error: explicit override is required for 'public open fun evaluate(): Any? defined in KotlinUBinaryExpressionWithType' in the '-Xjvm-default=all-compatibility' mode. Otherwise, implicit class override 'public open fun evaluate(): Any? defined in KotlinAbstractUExpression' (compiled in the old -Xjvm-default mode) is not fully overridden and might be incorrectly called at runtime
+class KotlinUBinaryExpressionWithType : KotlinAbstractUExpression(), KotlinEvaluatableUElement {}
+      ^
+COMPILATION_ERROR

compiler/testData/compileKotlinAgainstCustomBinaries/jvmDefaultClashWithNoCompatibility/source.kt

@@ -0,0 +1,17 @@
+import base.*
+
+interface KotlinEvaluatableUElement : UExpression {
+    override fun evaluate(): Any? {
+        return "OK"
+    }
+}
+
+abstract class KotlinAbstractUExpression() : UExpression {}
+
+@JvmDefaultWithoutCompatibility
+class KotlinUBinaryExpressionWithType : KotlinAbstractUExpression(), KotlinEvaluatableUElement {}
+
+fun box(): String {
+    val foo = KotlinUBinaryExpressionWithType()
+    return foo.evaluate() as String
+}