diff --git a/compiler/testData/diagnostics/testsWithJsStdLib/name/nonASCIIName.kt b/compiler/testData/diagnostics/testsWithJsStdLib/name/nonASCIIName.kt
new file mode 100644
index 00000000000..2e1d79f572e
--- /dev/null
+++ b/compiler/testData/diagnostics/testsWithJsStdLib/name/nonASCIIName.kt
@@ -0,0 +1,11 @@
+// FIR_IDENTICAL
+
+interface <!NAME_CONTAINS_ILLEGAL_CHARS!>I𝔹<!>
+
+class <!NAME_CONTAINS_ILLEGAL_CHARS!>C𝔹<!> : I𝔹
+
+<!NAME_CONTAINS_ILLEGAL_CHARS!>fun f𝔹()<!> = 1
+
+<!NAME_CONTAINS_ILLEGAL_CHARS!>val v𝔹<!> = 1
+
+typealias 𝔹 = Boolean
diff --git a/compiler/testData/diagnostics/testsWithJsStdLib/name/nonASCIIName.txt b/compiler/testData/diagnostics/testsWithJsStdLib/name/nonASCIIName.txt
new file mode 100644
index 00000000000..e41d37d8474
--- /dev/null
+++ b/compiler/testData/diagnostics/testsWithJsStdLib/name/nonASCIIName.txt
@@ -0,0 +1,19 @@
+ package
+
+public val `v𝔹`: kotlin.Int = 1
+public fun `f𝔹`(): kotlin.Int
+
+public final class `C𝔹` : `I𝔹` {
+    public constructor `C𝔹`()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public interface `I𝔹` {
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+public typealias `𝔹` = kotlin.Boolean
+
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirLightTreeJsOldFrontendDiagnosticsTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirLightTreeJsOldFrontendDiagnosticsTestGenerated.java
index 8d2aba29bdd..d6338e4ade3 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirLightTreeJsOldFrontendDiagnosticsTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirLightTreeJsOldFrontendDiagnosticsTestGenerated.java
@@ -826,6 +826,12 @@ public class FirLightTreeJsOldFrontendDiagnosticsTestGenerated extends AbstractF
             runTest("compiler/testData/diagnostics/testsWithJsStdLib/name/nameSwapInOverride.kt");
         }
 
+        @Test
+        @TestMetadata("nonASCIIName.kt")
+        public void testNonASCIIName() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLib/name/nonASCIIName.kt");
+        }
+
         @Test
         @TestMetadata("overrideOverloadedNativeFunction.kt")
         public void testOverrideOverloadedNativeFunction() throws Exception {
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirPsiJsOldFrontendDiagnosticsTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirPsiJsOldFrontendDiagnosticsTestGenerated.java
index 384c78db498..70f1f8a2016 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirPsiJsOldFrontendDiagnosticsTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirPsiJsOldFrontendDiagnosticsTestGenerated.java
@@ -826,6 +826,12 @@ public class FirPsiJsOldFrontendDiagnosticsTestGenerated extends AbstractFirPsiJ
             runTest("compiler/testData/diagnostics/testsWithJsStdLib/name/nameSwapInOverride.kt");
         }
 
+        @Test
+        @TestMetadata("nonASCIIName.kt")
+        public void testNonASCIIName() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLib/name/nonASCIIName.kt");
+        }
+
         @Test
         @TestMetadata("overrideOverloadedNativeFunction.kt")
         public void testOverrideOverloadedNativeFunction() throws Exception {
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/DiagnosticsWithJsStdLibTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/DiagnosticsWithJsStdLibTestGenerated.java
index af75008e0a7..4730d8d45b0 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/DiagnosticsWithJsStdLibTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/DiagnosticsWithJsStdLibTestGenerated.java
@@ -826,6 +826,12 @@ public class DiagnosticsWithJsStdLibTestGenerated extends AbstractDiagnosticsTes
             runTest("compiler/testData/diagnostics/testsWithJsStdLib/name/nameSwapInOverride.kt");
         }
 
+        @Test
+        @TestMetadata("nonASCIIName.kt")
+        public void testNonASCIIName() throws Exception {
+            runTest("compiler/testData/diagnostics/testsWithJsStdLib/name/nonASCIIName.kt");
+        }
+
         @Test
         @TestMetadata("overrideOverloadedNativeFunction.kt")
         public void testOverrideOverloadedNativeFunction() throws Exception {