Use box tests to check if the light analysis mode (without analyzing bodies when possible) produces the same result as the complete analysis. See also the next commit in which light analysis mode is applied. Note that no tests were changed.

compiler/testData/codegen/light-analysis/classes/implementComparableInSubclass.txt

@@ -0,0 +1,19 @@
+public abstract class foo/Base {
+    private final field x: int
+    public method <init>(): void
+    public final method getX(): int
+}
+
+
+public final class foo/Derived {
+    private final field y: int
+    public method <init>(): void
+    public method compareTo(@org.jetbrains.annotations.NotNull p0: foo.Derived): int
+    public synthetic method compareTo(p0: java.lang.Object): int
+    public final method getY(): int
+}
+
+
+public final class foo/ImplementComparableInSubclassKt {
+    public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
+}