Cleanup warnings in stdlib and generated code

js/js.libraries/src/core/generated/_ArraysJs.kt

@@ -2158,6 +2158,7 @@ public inline fun <T> Array<out T>.single(predicate: (T) -> Boolean): T {
         }
     }
     if (!found) throw NoSuchElementException("Array contains no element matching the predicate.")
+    @Suppress("UNCHECKED_CAST")
     return single as T
 }
 
@@ -2175,6 +2176,7 @@ public inline fun ByteArray.single(predicate: (Byte) -> Boolean): Byte {
         }
     }
     if (!found) throw NoSuchElementException("Array contains no element matching the predicate.")
+    @Suppress("UNCHECKED_CAST")
     return single as Byte
 }
 
@@ -2192,6 +2194,7 @@ public inline fun ShortArray.single(predicate: (Short) -> Boolean): Short {
         }
     }
     if (!found) throw NoSuchElementException("Array contains no element matching the predicate.")
+    @Suppress("UNCHECKED_CAST")
     return single as Short
 }
 
@@ -2209,6 +2212,7 @@ public inline fun IntArray.single(predicate: (Int) -> Boolean): Int {
         }
     }
     if (!found) throw NoSuchElementException("Array contains no element matching the predicate.")
+    @Suppress("UNCHECKED_CAST")
     return single as Int
 }
 
@@ -2226,6 +2230,7 @@ public inline fun LongArray.single(predicate: (Long) -> Boolean): Long {
         }
     }
     if (!found) throw NoSuchElementException("Array contains no element matching the predicate.")
+    @Suppress("UNCHECKED_CAST")
     return single as Long
 }
 
@@ -2243,6 +2248,7 @@ public inline fun FloatArray.single(predicate: (Float) -> Boolean): Float {
         }
     }
     if (!found) throw NoSuchElementException("Array contains no element matching the predicate.")
+    @Suppress("UNCHECKED_CAST")
     return single as Float
 }
 
@@ -2260,6 +2266,7 @@ public inline fun DoubleArray.single(predicate: (Double) -> Boolean): Double {
         }
     }
     if (!found) throw NoSuchElementException("Array contains no element matching the predicate.")
+    @Suppress("UNCHECKED_CAST")
     return single as Double
 }
 
@@ -2277,6 +2284,7 @@ public inline fun BooleanArray.single(predicate: (Boolean) -> Boolean): Boolean
         }
     }
     if (!found) throw NoSuchElementException("Array contains no element matching the predicate.")
+    @Suppress("UNCHECKED_CAST")
     return single as Boolean
 }
 
@@ -2294,6 +2302,7 @@ public inline fun CharArray.single(predicate: (Char) -> Boolean): Char {
         }
     }
     if (!found) throw NoSuchElementException("Array contains no element matching the predicate.")
+    @Suppress("UNCHECKED_CAST")
     return single as Char
 }
 

js/js.libraries/src/core/generated/_CollectionsJs.kt

@@ -255,6 +255,7 @@ public fun <@kotlin.internal.OnlyInputTypes T> Iterable<T>.indexOf(element: T):
 /**
  * Returns first index of [element], or -1 if the list does not contain element.
  */
+@Suppress("EXTENSION_SHADOWED_BY_MEMBER") // false warning, extension takes precedence in some cases
 public fun <@kotlin.internal.OnlyInputTypes T> List<T>.indexOf(element: T): Int {
     return indexOf(element)
 }
@@ -355,6 +356,7 @@ public inline fun <T> Iterable<T>.last(predicate: (T) -> Boolean): T {
         }
     }
     if (!found) throw NoSuchElementException("Collection contains no element matching the predicate.")
+    @Suppress("UNCHECKED_CAST")
     return last as T
 }
 
@@ -389,6 +391,7 @@ public fun <@kotlin.internal.OnlyInputTypes T> Iterable<T>.lastIndexOf(element:
 /**
  * Returns last index of [element], or -1 if the list does not contain element.
  */
+@Suppress("EXTENSION_SHADOWED_BY_MEMBER") // false warning, extension takes precedence in some cases
 public fun <@kotlin.internal.OnlyInputTypes T> List<T>.lastIndexOf(element: T): Int {
     return lastIndexOf(element)
 }
@@ -486,6 +489,7 @@ public inline fun <T> Iterable<T>.single(predicate: (T) -> Boolean): T {
         }
     }
     if (!found) throw NoSuchElementException("Collection contains no element matching the predicate.")
+    @Suppress("UNCHECKED_CAST")
     return single as T
 }
 

js/js.libraries/src/core/generated/_SequencesJs.kt

@@ -209,6 +209,7 @@ public inline fun <T> Sequence<T>.last(predicate: (T) -> Boolean): T {
         }
     }
     if (!found) throw NoSuchElementException("Sequence contains no element matching the predicate.")
+    @Suppress("UNCHECKED_CAST")
     return last as T
 }
 
@@ -289,6 +290,7 @@ public inline fun <T> Sequence<T>.single(predicate: (T) -> Boolean): T {
         }
     }
     if (!found) throw NoSuchElementException("Sequence contains no element matching the predicate.")
+    @Suppress("UNCHECKED_CAST")
     return single as T
 }
 

js/js.libraries/src/core/generated/_StringsJs.kt

@@ -189,6 +189,7 @@ public inline fun CharSequence.single(predicate: (Char) -> Boolean): Char {
         }
     }
     if (!found) throw NoSuchElementException("Char sequence contains no character matching the predicate.")
+    @Suppress("UNCHECKED_CAST")
     return single as Char
 }