[Wasm] stdlib NFC: Fix or suppress remaining warnings

libraries/stdlib/wasm/src/kotlin/Dynamic.kt

@@ -112,6 +112,7 @@ internal fun Dynamic.getDouble(index: String): Double = dynamicGetDouble(this, i
 @PublishedApi
 internal fun Dynamic.getString(index: String): String? = dynamicGetString(this, index)
 
+@Suppress("UNCHECKED_CAST")
 @PublishedApi
 internal fun <T> Dynamic.getAny(index: String): T? = dynamicGetAny(this, index) as T?
 
@@ -142,6 +143,7 @@ internal fun Dynamic.getDouble(index: Int): Double = dynamicGetDouble(this, inde
 @PublishedApi
 internal fun Dynamic.getString(index: Int): String? = dynamicGetString(this, index.toString())
 
+@Suppress("UNCHECKED_CAST")
 @PublishedApi
 internal fun <T> Dynamic.getAny(index: Int): T? = dynamicGetAny(this, index.toString()) as T?
 
@@ -153,6 +155,7 @@ external interface Dynamic
 /**
  * Reinterprets this value as a value of the Dynamic type.
  */
+@Suppress("UNCHECKED_CAST_TO_EXTERNAL_INTERFACE")
 @kotlin.internal.InlineOnly
 fun Any.asDynamic(): Dynamic = this as Dynamic
 
@@ -183,6 +186,8 @@ operator fun Dynamic.set(index: Int, value: Any?) {
 
 @JsFun("(x) => x")
 private external fun <T> unsafeCastJs(x: String): Dynamic
+
+@Suppress("UNCHECKED_CAST")
 fun <T> String.unsafeCast(): T = unsafeCastJs<T>(this) as T
 
 @JsFun("(x) => x")
@@ -191,6 +196,7 @@ private external fun <T> unsafeCastJs(x: Boolean): Dynamic
 /**
  * Reinterprets boolean value as a value of the specified type [T] without any actual type checking.
  */
+@Suppress("UNCHECKED_CAST")
 fun <T> Boolean.unsafeCast(): T = unsafeCastJs<T>(this) as T
 
 /**
@@ -201,6 +207,7 @@ fun <T> Nothing?.unsafeCast(): Dynamic? = null
 /**
  * Reinterprets Dynamic type value as a value of the specified type [T] without any actual type checking.
  */
+@Suppress("UNCHECKED_CAST")
 fun <T> Dynamic.unsafeCast(): T = this as T
 
 @JsFun("e => { throw e; }")

libraries/stdlib/wasm/src/kotlin/Numbers.kt

@@ -75,6 +75,7 @@ public actual fun Int.rotateRight(bitCount: Int): Int =
 /**
  * Counts the number of set bits in the binary representation of this [Long] number.
  */
+@Suppress("NOTHING_TO_INLINE")
 public actual inline fun Long.countOneBits(): Int =
     wasm_i64_popcnt(this).toInt()
 
@@ -87,6 +88,7 @@ public actual fun Long.countLeadingZeroBits(): Int = wasm_i64_clz(this).toInt()
 /**
  * Counts the number of consecutive least significant bits that are zero in the binary representation of this [Long] number.
  */
+@Suppress("NOTHING_TO_INLINE")
 public actual inline fun Long.countTrailingZeroBits(): Int =
     wasm_i64_ctz(this).toInt()
 

libraries/stdlib/wasm/src/kotlin/collections/ArraysWasm.kt

@@ -15,6 +15,7 @@ package kotlin.collections
 @kotlin.internal.InlineOnly
 public actual inline fun <T> Collection<T>.toTypedArray(): Array<T> = copyToArray(this)
 
+@Suppress("UNCHECKED_CAST")
 @PublishedApi
 internal fun <T> copyToArray(collection: Collection<T>): Array<T> =
     if (collection is AbstractCollection<T>)

libraries/stdlib/wasm/src/kotlin/collections/Helpers.kt

@@ -10,6 +10,7 @@ package kotlin.collections
  * Attempts to read _uninitialized_ values from this array work in implementation-dependent manner,
  * either throwing exception or returning some kind of implementation-specific default value.
  */
+@Suppress("NOTHING_TO_INLINE")
 @PublishedApi
 internal inline fun <E> arrayOfUninitializedElements(size: Int): Array<E> {
     require(size >= 0) { "capacity must be non-negative." }

libraries/stdlib/wasm/src/kotlin/js/Promise.kt

@@ -9,10 +9,10 @@ package kotlin.js
  * Exposes the JavaScript [Promise object](https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Promise) to Kotlin.
  */
 public external class Promise<out T>(executor: (resolve: (Dynamic?) -> Unit, reject: (Dynamic) -> Unit) -> Unit) {
-    public open fun then(onFulfilled: (Dynamic?) -> Dynamic?): Promise<Dynamic?>
-    public open fun then(onFulfilled: (Dynamic?) -> Dynamic?, onRejected: (Dynamic) -> Dynamic?): Promise<Dynamic?>
-    public open fun catch(onRejected: (Dynamic) -> Dynamic?): Promise<Dynamic?>
-    public open fun finally(onFinally: () -> Unit): Promise<Dynamic?>
+    public fun then(onFulfilled: (Dynamic?) -> Dynamic?): Promise<Dynamic?>
+    public fun then(onFulfilled: (Dynamic?) -> Dynamic?, onRejected: (Dynamic) -> Dynamic?): Promise<Dynamic?>
+    public fun catch(onRejected: (Dynamic) -> Dynamic?): Promise<Dynamic?>
+    public fun finally(onFinally: () -> Unit): Promise<Dynamic?>
 
     public companion object {
         public fun reject(e: Dynamic): Promise<Dynamic?>

libraries/stdlib/wasm/src/kotlin/reflect/reflection.kt

@@ -12,6 +12,7 @@ import kotlin.reflect.wasm.internal.*
 internal fun <T : Any> getKClass(typeInfoData: TypeInfoData): KClass<T> =
     KClassImpl(typeInfoData)
 
+@Suppress("UNCHECKED_CAST")
 internal fun <T : Any> getKClassFromExpression(e: T): KClass<T> =
     when (e) {
         is String -> PrimitiveClasses.stringClass

libraries/stdlib/wasm/src/kotlin/text/StringsWasm.kt

@@ -299,9 +299,10 @@ public actual fun CharSequence.repeat(n: Int): String {
         0 -> ""
         1 -> this.toString()
         else -> {
+            val sequence = this
             buildString(n * length) {
                 repeat(n) {
-                    append(this@repeat)
+                    append(sequence)
                 }
             }
         }

libraries/stdlib/wasm/src/kotlin/time/TimeSources.kt

@@ -27,13 +27,13 @@ internal actual object MonotonicTimeSource : TimeSource.WithComparableMarks {
         if (performance != null) getPerformanceNow(performance) else dateNow()
 
     actual override fun markNow(): ValueTimeMark = ValueTimeMark(read())
-    actual fun elapsedFrom(timeMark: ValueTimeMark): Duration = (read() - timeMark.reading as Double).milliseconds
+    actual fun elapsedFrom(timeMark: ValueTimeMark): Duration = (read() - timeMark.reading).milliseconds
     actual fun adjustReading(timeMark: ValueTimeMark, duration: Duration): ValueTimeMark =
-        ValueTimeMark(sumCheckNaN(timeMark.reading as Double + duration.toDouble(DurationUnit.MILLISECONDS)))
+        ValueTimeMark(sumCheckNaN(timeMark.reading + duration.toDouble(DurationUnit.MILLISECONDS)))
 
     actual fun differenceBetween(one: ValueTimeMark, another: ValueTimeMark): Duration {
-        val ms1 = one.reading as Double
-        val ms2 = another.reading as Double
+        val ms1 = one.reading
+        val ms2 = another.reading
         return if (ms1 == ms2) Duration.ZERO else (ms1 - ms2).milliseconds
     }
 

libraries/stdlib/wasm/src/kotlin/wasm/unsafe/MemoryAccess.kt

@@ -52,21 +52,25 @@ public value class Pointer public constructor(public val address: UInt) {
         implementedAsIntrinsic
 
     /** Store a Byte (8 bit) [value] */
+    @Suppress("UNUSED_PARAMETER")
     @WasmOp(WasmOp.I32_STORE8)
     public fun storeByte(value: Byte): Unit =
         implementedAsIntrinsic
 
     /** Store a Short (16 bit) [value] */
+    @Suppress("UNUSED_PARAMETER")
     @WasmOp(WasmOp.I32_STORE16)
     public fun storeShort(value: Short): Unit =
         implementedAsIntrinsic
 
     /** Store an Int (32 bit) [value] */
+    @Suppress("UNUSED_PARAMETER")
     @WasmOp(WasmOp.I32_STORE)
     public fun storeInt(value: Int): Unit =
         implementedAsIntrinsic
 
     /** Store a Long (64 bit) [value] */
+    @Suppress("UNUSED_PARAMETER")
     @WasmOp(WasmOp.I64_STORE)
     public fun storeLong(value: Long): Unit =
         implementedAsIntrinsic

libraries/stdlib/wasm/src/kotlin/wasm/unsafe/MemoryAllocation.kt

@@ -151,6 +151,7 @@ internal fun wasmMemorySize(): Int =
  * Grow memory by a given delta (in pages).
  * Return the previous size, or -1 if enough memory cannot be allocated.
  */
+@Suppress("UNUSED_PARAMETER")
 @WasmOp(WasmOp.MEMORY_GROW)
 internal fun wasmMemoryGrow(delta: Int): Int =
     implementedAsIntrinsic

libraries/stdlib/wasm/src/kotlinx/dom/ItemArrayLike.kt

@@ -13,6 +13,7 @@ public external interface ItemArrayLike<out T> {
 public fun <T> ItemArrayLike<T>.asList(): List<T> = object : AbstractList<T>() {
     override val size: Int get() = this@asList.length
 
+    @Suppress("UNCHECKED_CAST")
     override fun get(index: Int): T = when (index) {
         in 0..lastIndex -> this@asList.item(index) as T
         else -> throw IndexOutOfBoundsException("index $index is not in range [0..$lastIndex]")