Fixed VerifyError when copyToArray() is immediately returned from method.

compiler/testData/codegen/boxWithStdlib/toArray/returnCopyToArray.kt

@@ -0,0 +1,10 @@
+import java.util.Arrays
+
+fun getCopyToArray(): Array<Int> = Arrays.asList(2, 3, 9).copyToArray()
+
+fun box(): String {
+    val str = Arrays.toString(getCopyToArray())
+    if (str != "[2, 3, 9]") return str
+
+    return "OK"
+}