[Wasm] Disable range checks for arrays. Add cli argument to enable them back.

compiler/cli/cli-common/src/org/jetbrains/kotlin/cli/common/arguments/K2JSCompilerArguments.kt

@@ -253,6 +253,9 @@ class K2JSCompilerArguments : CommonCompilerArguments() {
     @Argument(value = "-Xwasm-kclass-fqn", description = "Enable support for FQ names in KClass")
     var wasmKClassFqn: Boolean by FreezableVar(false)
 
+    @Argument(value = "-Xwasm-enable-array-range-checks", description = "Turn on range checks for the array access functions")
+    var wasmEnableArrayRangeChecks: Boolean by FreezableVar(false)
+
     override fun configureAnalysisFlags(collector: MessageCollector, languageVersion: LanguageVersion): MutableMap<AnalysisFlag<*>, Any> {
         return super.configureAnalysisFlags(collector, languageVersion).also {
             it[allowFullyQualifiedNameInKClass] = wasm && wasmKClassFqn //Only enabled WASM BE supports this flag

compiler/cli/cli-js/src/org/jetbrains/kotlin/cli/js/K2JsIrCompiler.kt

@@ -135,6 +135,8 @@ class K2JsIrCompiler : CLICompiler<K2JSCompilerArguments>() {
 
         configuration.put(JSConfigurationKeys.PARTIAL_LINKAGE, arguments.partialLinkage)
 
+        configuration.put(JSConfigurationKeys.WASM_ENABLE_ARRAY_RANGE_CHECKS, arguments.wasmEnableArrayRangeChecks)
+
         val commonSourcesArray = arguments.commonSources
         val commonSources = commonSourcesArray?.toSet() ?: emptySet()
         for (arg in arguments.freeArgs) {