[FIR] Fix test data for #KT-80708

Author: sandwwraith

compiler/testData/diagnostics/tests/crv/nestedScopesInsideFile.ll.kt

@@ -0,0 +1,39 @@
+// LL_FIR_DIVERGENCE
+// KT-80708 firProvider.getFirCallableContainerFile difference for LL and Fir on local classes
+// LL_FIR_DIVERGENCE
+// RUN_PIPELINE_TILL: BACKEND
+// WITH_STDLIB
+
+@file:MustUseReturnValue
+
+fun localFun() {
+    fun local(): Int = 123
+    @IgnorableReturnValue fun localIgnorable() = ""
+    local()
+    localIgnorable()
+}
+
+class Outer {
+    fun foo(): String {
+        class Inner {
+            @IgnorableReturnValue fun bar() {
+                fun local() = ""
+                local()
+            }
+            fun inner() = ""
+        }
+        <!RETURN_VALUE_NOT_USED!>Inner()<!>
+        <!RETURN_VALUE_NOT_USED!>Inner().inner()<!>
+        Inner().bar()
+        return ""
+    }
+
+    fun bar(): String = ""
+}
+
+fun main() {
+    <!RETURN_VALUE_NOT_USED!>Outer().foo()<!>
+    <!RETURN_VALUE_NOT_USED!>Outer().bar()<!>
+}
+
+/* GENERATED_FIR_TAGS: annotationUseSiteTargetFile, classDeclaration, functionDeclaration, integerLiteral, localFunction */