Added a test on possible name clash for SAM wrappers

compiler/testData/codegen/box/funInterface/basicFunInterfaceConversionClash.kt

@@ -0,0 +1,30 @@
+// !LANGUAGE: +NewInference +FunctionalInterfaceConversion +SamConversionPerArgument +SamConversionForKotlinFunctions
+// SKIP_DCE_DRIVEN
+
+// FILE: lib.kt
+
+fun interface Foo {
+    fun invoke(): String
+}
+
+// FILE: f1.kt
+
+fun foo1(f: Foo) = f.invoke()
+
+inline fun bar1(): String {
+    val f: () -> String = { "O" }
+    return foo1(Foo(f))
+}
+
+// FILE: f2.kt
+
+fun foo2(f: Foo) = f.invoke()
+
+inline fun bar2(): String {
+    val f: () -> String = { "K" }
+    return foo2(Foo(f))
+}
+
+// FILE: main.kt
+
+fun box(): String = bar1() + bar2()