[FIR] KT-58460: Ensure the error is missing

compiler/testData/diagnostics/tests/funReturnsAny.fir.kt

@@ -0,0 +1,5 @@
+// ISSUE: KT-58460
+
+fun someFunction() : Any {
+    return
+}

compiler/testData/diagnostics/tests/funReturnsAny.kt

@@ -0,0 +1,5 @@
+// ISSUE: KT-58460
+
+fun someFunction() : Any {
+    <!RETURN_TYPE_MISMATCH!>return<!>
+}