Add source roots to modules 'builtins' and 'runtime.jvm'

This is done to be able to write code in the module 'reflection.jvm' in the IDE
without lots of unresolved errors and such

.idea/libraries/kotlin_runtime.xml

@@ -7,8 +7,6 @@
     <JAVADOC />
     <SOURCES>
       <root url="file://$PROJECT_DIR$/libraries/stdlib/src" />
-      <root url="file://$PROJECT_DIR$/core/builtins/src" />
-      <root url="file://$PROJECT_DIR$/core/runtime.jvm/src" />
     </SOURCES>
   </library>
 </component>

core/builtins/builtins.iml

@@ -2,9 +2,10 @@
 <module type="JAVA_MODULE" version="4">
   <component name="NewModuleRootManager" inherit-compiler-output="true">
     <exclude-output />
-    <content url="file://$MODULE_DIR$" />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
-</module>
-
+</module>

core/reflection.jvm/reflection.jvm.iml

@@ -8,6 +8,7 @@
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="module" module-name="builtins" />
+    <orderEntry type="module" module-name="runtime.jvm" />
     <orderEntry type="module" module-name="descriptors.runtime" />
     <orderEntry type="library" name="kotlin-runtime" level="project" />
   </component>

core/runtime.jvm/runtime.jvm.iml

@@ -2,7 +2,9 @@
 <module type="JAVA_MODULE" version="4">
   <component name="NewModuleRootManager" inherit-compiler-output="true">
     <exclude-output />
-    <content url="file://$MODULE_DIR$" />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
     <orderEntry type="module" module-name="builtins" />

core/runtime.jvm/src/kotlin/jvm/internal/Lambda.kt

@@ -19,5 +19,6 @@ package kotlin.jvm.internal
 public abstract class Lambda(private val arity: Int) : FunctionImpl() {
     override fun getArity() = arity
 
+    @suppress("PLATFORM_CLASS_MAPPED_TO_KOTLIN")
     override fun toString() = "${(this as Object).getClass().getGenericInterfaces()[0]}"
 }

core/runtime.jvm/src/kotlin/jvm/internal/PrimitiveSpreadBuilders.kt

@@ -20,6 +20,8 @@ private abstract class PrimitiveSpreadBuilder<T : Any>(private val size: Int) {
     abstract protected fun T.getSize(): Int
 
     protected var position: Int = 0
+
+    @suppress("CAST_NEVER_SUCCEEDS")
     private val spreads: Array<T?> = arrayOfNulls<Any>(size) as Array<T?>
 
     public fun addSpread(spreadArgument: T) {
@@ -41,17 +43,17 @@ private abstract class PrimitiveSpreadBuilder<T : Any>(private val size: Int) {
             val spreadArgument = spreads[i]
             if (spreadArgument != null) {
                 if (copyValuesFrom < i) {
-                    System.arraycopy(values, copyValuesFrom, result, dstIndex, i-copyValuesFrom)
+                    System.arraycopy(values, copyValuesFrom, result, dstIndex, i - copyValuesFrom)
                     dstIndex += i - copyValuesFrom
                 }
                 val spreadSize = spreadArgument.getSize()
                 System.arraycopy(spreadArgument, 0, result, dstIndex, spreadSize)
                 dstIndex += spreadSize
-                copyValuesFrom = i+1
+                copyValuesFrom = i + 1
             }
         }
         if (copyValuesFrom < size) {
-            System.arraycopy(values, copyValuesFrom, result, dstIndex, size-copyValuesFrom)
+            System.arraycopy(values, copyValuesFrom, result, dstIndex, size - copyValuesFrom)
         }
 
         return result