Fix most unchecked/deprecation javac warnings in compiler modules

core/descriptors.jvm/src/org/jetbrains/kotlin/load/java/descriptors/JavaPropertyDescriptor.java

@@ -168,9 +168,9 @@ public class JavaPropertyDescriptor extends PropertyDescriptorImpl implements Ja
 
     @Nullable
     @Override
+    @SuppressWarnings("unchecked")
     public <V> V getUserData(UserDataKey<V> key) {
         if (singleUserData != null && singleUserData.getFirst().equals(key)) {
-            //noinspection unchecked
             return (V) singleUserData.getSecond();
         }
 

core/descriptors/src/org/jetbrains/kotlin/descriptors/impl/FunctionDescriptorImpl.java

@@ -261,9 +261,9 @@ public abstract class FunctionDescriptorImpl extends DeclarationDescriptorNonRoo
     }
 
     @Override
+    @SuppressWarnings("unchecked")
     public <V> V getUserData(UserDataKey<V> key) {
         if (userDataMap == null) return null;
-        //noinspection unchecked
         return (V) userDataMap.get(key);
     }
 
@@ -273,8 +273,8 @@ public abstract class FunctionDescriptorImpl extends DeclarationDescriptorNonRoo
     }
 
     @Override
+    @SuppressWarnings("unchecked")
     public void setOverriddenDescriptors(@NotNull Collection<? extends CallableMemberDescriptor> overriddenDescriptors) {
-        //noinspection unchecked
         overriddenFunctions = (Collection<? extends FunctionDescriptor>) overriddenDescriptors;
         for (FunctionDescriptor function : overriddenFunctions) {
             if (function.isHiddenForResolutionEverywhereBesideSupercalls()) {

core/descriptors/src/org/jetbrains/kotlin/descriptors/impl/PropertyDescriptorImpl.java

@@ -522,8 +522,8 @@ public class PropertyDescriptorImpl extends VariableDescriptorWithInitializerImp
     }
 
     @Override
+    @SuppressWarnings("unchecked")
     public void setOverriddenDescriptors(@NotNull Collection<? extends CallableMemberDescriptor> overriddenDescriptors) {
-        //noinspection unchecked
         this.overriddenProperties = (Collection<? extends PropertyDescriptor>) overriddenDescriptors;
     }
 

core/descriptors/src/org/jetbrains/kotlin/descriptors/impl/SimpleFunctionDescriptorImpl.java

@@ -126,8 +126,8 @@ public class SimpleFunctionDescriptorImpl extends FunctionDescriptorImpl impleme
 
     @NotNull
     @Override
+    @SuppressWarnings("unchecked")
     public CopyBuilder<? extends SimpleFunctionDescriptor> newCopyBuilder() {
-        //noinspection unchecked
         return (CopyBuilder<? extends SimpleFunctionDescriptor>) super.newCopyBuilder();
     }
 }

core/reflection.jvm/src/kotlin/reflect/jvm/internal/Util.java

@@ -6,6 +6,7 @@
 package kotlin.reflect.jvm.internal;
 
 /* package */ class Util {
+    @SuppressWarnings("unchecked")
     public static Object getEnumConstantByName(Class<? extends Enum<?>> enumClass, String name) {
         // This is a workaround for KT-5191. Enum#valueOf cannot be called in Kotlin
         return Enum.valueOf((Class) enumClass, name);