diff --git a/js/js.translator/testData/box/char/topLevelCallables.kt b/js/js.translator/testData/box/char/topLevelCallables.kt
index 02282b69c38..6c25996fd62 100644
--- a/js/js.translator/testData/box/char/topLevelCallables.kt
+++ b/js/js.translator/testData/box/char/topLevelCallables.kt
@@ -1,4 +1,5 @@
 // SKIP_MINIFICATION
+// IGNORE_BACKEND: JS_IR
 @JsName("foo")
 @JsExport
 fun foo(): Char = '1'
diff --git a/js/js.translator/testData/box/coercion/bridgeChar.kt b/js/js.translator/testData/box/coercion/bridgeChar.kt
index 894b781a4d8..eda0ef634fa 100644
--- a/js/js.translator/testData/box/coercion/bridgeChar.kt
+++ b/js/js.translator/testData/box/coercion/bridgeChar.kt
@@ -1,4 +1,5 @@
 // EXPECTED_REACHABLE_NODES: 1293
+// IGNORE_BACKEND: JS_IR
 open class A {
     fun foo(): Char = 'X'
 }
diff --git a/js/js.translator/testData/box/coercion/charValParameter.kt b/js/js.translator/testData/box/coercion/charValParameter.kt
index 050ad57c5e4..97ef1bdee0f 100644
--- a/js/js.translator/testData/box/coercion/charValParameter.kt
+++ b/js/js.translator/testData/box/coercion/charValParameter.kt
@@ -1,4 +1,5 @@
 // EXPECTED_REACHABLE_NODES: 1276
+// IGNORE_BACKEND: JS_IR
 class A(val x: Char)
 
 fun typeOf(x: dynamic): String = js("typeof x")
diff --git a/js/js.translator/testData/box/coercion/defaultAccessors.kt b/js/js.translator/testData/box/coercion/defaultAccessors.kt
index 4768c3549c6..d470bde747d 100644
--- a/js/js.translator/testData/box/coercion/defaultAccessors.kt
+++ b/js/js.translator/testData/box/coercion/defaultAccessors.kt
@@ -1,4 +1,5 @@
 // EXPECTED_REACHABLE_NODES: 1288
+// IGNORE_BACKEND: JS_IR
 interface I {
     val a: Char
 }
diff --git a/js/js.translator/testData/box/coercion/derivedFunctionReturningChar.kt b/js/js.translator/testData/box/coercion/derivedFunctionReturningChar.kt
index 87f84604411..b7ad5693fd7 100644
--- a/js/js.translator/testData/box/coercion/derivedFunctionReturningChar.kt
+++ b/js/js.translator/testData/box/coercion/derivedFunctionReturningChar.kt
@@ -1,4 +1,5 @@
 // EXPECTED_REACHABLE_NODES: 1292
+// IGNORE_BACKEND: JS_IR
 abstract class A<out T> {
     abstract fun foo(): T
 }
diff --git a/js/js.translator/testData/box/coercion/extensionReceiver.kt b/js/js.translator/testData/box/coercion/extensionReceiver.kt
index 1b247053d73..2d5e6654ca8 100644
--- a/js/js.translator/testData/box/coercion/extensionReceiver.kt
+++ b/js/js.translator/testData/box/coercion/extensionReceiver.kt
@@ -1,4 +1,5 @@
 // EXPECTED_REACHABLE_NODES: 1282
+// IGNORE_BACKEND: JS_IR
 fun box(): String {
     val a = 'Q'.foo()
     if (a != "number") return "fail1: $a"
diff --git a/js/js.translator/testData/box/coercion/lambdaParameters.kt b/js/js.translator/testData/box/coercion/lambdaParameters.kt
index 8b54c9d9ed4..979da14a381 100644
--- a/js/js.translator/testData/box/coercion/lambdaParameters.kt
+++ b/js/js.translator/testData/box/coercion/lambdaParameters.kt
@@ -1,4 +1,5 @@
 // EXPECTED_REACHABLE_NODES: 1283
+// IGNORE_BACKEND: JS_IR
 // CHECK_NOT_CALLED_IN_SCOPE: function=toBoxedChar scope=box$lambda
 // CHECK_CALLED_IN_SCOPE: function=unboxChar scope=box$lambda
 // CHECK_CALLED_IN_SCOPE: function=toBoxedChar scope=box
diff --git a/js/js.translator/testData/box/coercion/propertyBridgeChar.kt b/js/js.translator/testData/box/coercion/propertyBridgeChar.kt
index 87e1924428e..aaec1ac98a6 100644
--- a/js/js.translator/testData/box/coercion/propertyBridgeChar.kt
+++ b/js/js.translator/testData/box/coercion/propertyBridgeChar.kt
@@ -1,4 +1,5 @@
 // EXPECTED_REACHABLE_NODES: 1289
+// IGNORE_BACKEND: JS_IR
 open class A {
     val foo: Char
         get() = 'X'
diff --git a/js/js.translator/testData/box/coercion/receiverSmartCast.kt b/js/js.translator/testData/box/coercion/receiverSmartCast.kt
index 0ba720655bc..5d81279dc31 100644
--- a/js/js.translator/testData/box/coercion/receiverSmartCast.kt
+++ b/js/js.translator/testData/box/coercion/receiverSmartCast.kt
@@ -1,4 +1,5 @@
 // EXPECTED_REACHABLE_NODES: 1283
+// IGNORE_BACKEND: JS_IR
 fun foo(x: Any): String {
     return when (x) {
         is Char -> "char: ${x.toInt()}"
diff --git a/js/js.translator/testData/box/reflection/primitives-11.kt b/js/js.translator/testData/box/reflection/primitives-11.kt
index 6cd46ff71b0..f16efce7fe2 100644
--- a/js/js.translator/testData/box/reflection/primitives-11.kt
+++ b/js/js.translator/testData/box/reflection/primitives-11.kt
@@ -1,6 +1,5 @@
 // EXPECTED_REACHABLE_NODES: 1290
 // LANGUAGE_VERSION: 1.1
-// IGNORE_BACKEND: JS_IR
 import kotlin.reflect.KClass
 
 fun box(): String {
diff --git a/js/js.translator/testData/box/standardClasses/arrayFactoryMethods.kt b/js/js.translator/testData/box/standardClasses/arrayFactoryMethods.kt
index 595386fee49..bc0bd75da93 100644
--- a/js/js.translator/testData/box/standardClasses/arrayFactoryMethods.kt
+++ b/js/js.translator/testData/box/standardClasses/arrayFactoryMethods.kt
@@ -1,4 +1,5 @@
 // EXPECTED_REACHABLE_NODES: 1293
+// IGNORE_BACKEND: JS_IR
 
 package foo
 
diff --git a/js/js.translator/testData/box/standardClasses/charArrayGetSet.kt b/js/js.translator/testData/box/standardClasses/charArrayGetSet.kt
index 3275dd5d08d..c4d0b33a773 100644
--- a/js/js.translator/testData/box/standardClasses/charArrayGetSet.kt
+++ b/js/js.translator/testData/box/standardClasses/charArrayGetSet.kt
@@ -1,4 +1,5 @@
 // EXPECTED_REACHABLE_NODES: 1281
+// IGNORE_BACKEND: JS_IR
 fun box(): String {
     val a = CharArray(1)
     val aType = jsTypeOf(a.asDynamic()[0])
diff --git a/libraries/stdlib/js-ir/builtins/Char.kt b/libraries/stdlib/js-ir/builtins/Char.kt
index 135d82b29ca..08b8185557f 100644
--- a/libraries/stdlib/js-ir/builtins/Char.kt
+++ b/libraries/stdlib/js-ir/builtins/Char.kt
@@ -9,9 +9,11 @@ package kotlin
  * Represents a 16-bit Unicode character.
  * On the JVM, non-nullable values of this type are represented as values of the primitive type `char`.
  */
-@Suppress("NON_PUBLIC_PRIMARY_CONSTRUCTOR_OF_INLINE_CLASS")
-public inline class Char internal constructor (val value: Int) : Comparable<Char> {
-    
+// TODO: KT-35100
+//@Suppress("NON_PUBLIC_PRIMARY_CONSTRUCTOR_OF_INLINE_CLASS")
+//public inline class Char internal constructor (val value: Int) : Comparable<Char> {
+public data class Char internal constructor(val value: Int) : Comparable<Char> {
+
     /**
      * Compares this value with the specified value for order.
      * Returns zero if this value is equal to the specified other value, a negative number if it's less than other,
diff --git a/libraries/stdlib/js-ir/runtime/arrays.kt b/libraries/stdlib/js-ir/runtime/arrays.kt
index 75987853a9f..36c38a394d4 100644
--- a/libraries/stdlib/js-ir/runtime/arrays.kt
+++ b/libraries/stdlib/js-ir/runtime/arrays.kt
@@ -33,7 +33,8 @@ internal fun booleanArray(size: Int): BooleanArray = withType("BooleanArray", fi
 
 internal fun booleanArrayOf(arr: Array<Boolean>): BooleanArray = withType("BooleanArray", arr.asDynamic().slice()).unsafeCast<BooleanArray>()
 
-internal fun charArray(size: Int): CharArray = withType("CharArray", fillArrayVal(Array<Int>(size), 0)).unsafeCast<CharArray>()
+//internal fun charArray(size: Int): CharArray = withType("CharArray", fillArrayVal(Array<Int>(size), 0)).unsafeCast<CharArray>()
+internal fun charArray(size: Int): CharArray = withType("CharArray", fillArrayVal(Array<Char>(size), Char(0))).unsafeCast<CharArray>()
 
 internal fun charArrayOf(arr: Array<Char>): CharArray = withType("CharArray", arr.asDynamic().slice()).unsafeCast<CharArray>()