[Wasm] stdlib NFC: Fix or suppress remaining warnings

libraries/stdlib/wasm/builtins/kotlin/Boolean.kt

@@ -3,6 +3,8 @@
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
+@file:Suppress("UNUSED_PARAMETER")
+
 package kotlin
 
 import kotlin.wasm.internal.*
@@ -56,7 +58,7 @@ public class Boolean private constructor(private val value: Boolean) : Comparabl
         return if (other !is Boolean) {
             false
         } else {
-            this === (other as Boolean)
+            wasm_i32_eq(this.toInt(), other.toInt())
         }
     }
 

libraries/stdlib/wasm/builtins/kotlin/Char.kt

@@ -27,7 +27,7 @@ public class Char private constructor(public val value: Char) : Comparable<Char>
 
     public override fun equals(other: Any?): Boolean {
         if (other is Char)
-            return this === (other as Char)
+            return wasm_i32_eq(this.toInt(), other.toInt())
         return false
     }
 

libraries/stdlib/wasm/builtins/kotlin/Library.kt

@@ -87,5 +87,5 @@ public inline fun <reified T : Enum<T>> enumValues(): Array<T>
  * Returns an enum entry with specified name.
  */
 @SinceKotlin("1.1")
-@Suppress("NON_MEMBER_FUNCTION_NO_BODY")
+@Suppress("NON_MEMBER_FUNCTION_NO_BODY", "UNUSED_PARAMETER")
 public inline fun <reified T : Enum<T>> enumValueOf(name: String): T

libraries/stdlib/wasm/builtins/kotlin/Primitives.kt

@@ -5,7 +5,7 @@
 @file:Suppress(
     "OVERRIDE_BY_INLINE",
     "NOTHING_TO_INLINE",
-    "unused"
+    "unused", "UNUSED_PARAMETER"
 )
 
 package kotlin

libraries/stdlib/wasm/builtins/kotlin/String.kt

@@ -127,6 +127,7 @@ public class String internal @WasmPrimitiveConstructor constructor(
     }
 }
 
+@Suppress("NOTHING_TO_INLINE")
 internal inline fun WasmCharArray.createString(): String =
     String(null, this.len(), this)