diff --git a/tests/cases/conformance/functions/functionOverloadCompatibilityWithVoid01.ts b/tests/cases/conformance/functions/functionOverloadCompatibilityWithVoid01.ts
new file mode 100644
index 00000000000..d973c946bb9
--- /dev/null
+++ b/tests/cases/conformance/functions/functionOverloadCompatibilityWithVoid01.ts
@@ -0,0 +1,4 @@
+function f(x: string): number;
+function f(x: string): void {
+    return;
+} 
\ No newline at end of file
diff --git a/tests/cases/conformance/functions/functionOverloadCompatibilityWithVoid02.ts b/tests/cases/conformance/functions/functionOverloadCompatibilityWithVoid02.ts
new file mode 100644
index 00000000000..ef89d790ff7
--- /dev/null
+++ b/tests/cases/conformance/functions/functionOverloadCompatibilityWithVoid02.ts
@@ -0,0 +1,4 @@
+function f(x: string): void;
+function f(x: string): number {
+    return 0;
+} 
\ No newline at end of file
diff --git a/tests/cases/conformance/functions/functionOverloadCompatibilityWithVoid03.ts b/tests/cases/conformance/functions/functionOverloadCompatibilityWithVoid03.ts
new file mode 100644
index 00000000000..5f0a2327d74
--- /dev/null
+++ b/tests/cases/conformance/functions/functionOverloadCompatibilityWithVoid03.ts
@@ -0,0 +1,4 @@
+function f(x: string): void;
+function f(x: string): void {
+    return;
+} 
\ No newline at end of file