[IR][tests] Extend test for IR linkage issues related to functions

compiler/testData/klibABI/removeFunction/main/m.kt

@@ -2,16 +2,29 @@ fun test1(): String {
     try {
         return qux(true)
     } catch(e: Throwable) {
-        if (e.isLinkageError("/exp_foo")) return "O"
+        if (e.isLinkageError("/exp_foo")) return "OK"
     }
 
-    return "FAIL2"
+    return "FAIL5"
 }
 
 fun test2(): String = qux(false)
 
+fun test3(): String {
+    try {
+        return qux2(true)
+    } catch(e: Throwable) {
+        if (e.isLinkageError("/A.exp_foo")) return "OK"
+    }
+
+    return "FAIL6"
+}
+
+fun test4(): String = qux2(false)
+
 fun box(): String {
-    return test1() + test2()
+    val result = test1() + test2() + test3() + test4()
+    return if (result == "OKOKOKOK") "OK" else result
 }
 
 private fun Throwable.isLinkageError(symbolName: String): Boolean =