[FIR-TEST] Add new testdata generated after changes in previous commit

compiler/testData/diagnostics/tests/functionLiterals/underscopeParameters.fir.kt

@@ -0,0 +1,48 @@
+// !CHECK_TYPE
+
+fun foo(block: (Int, String) -> Unit) { }
+fun foobar(block: (Double) -> Unit) { }
+
+fun bar() {
+    foo { _, b ->
+        _.hashCode()
+        b checkType { _<String>() }
+    }
+
+    foo { a, _ ->
+        a checkType { _<Int>() }
+        _.hashCode()
+    }
+
+    foo { _, _ ->
+        _.hashCode()
+    }
+
+    foo { _: Int, b: String ->
+        _.hashCode()
+        b checkType { _<String>() }
+    }
+
+    foo { a: Int, _: String ->
+        a checkType { _<Int>() }
+        _.hashCode()
+    }
+
+    foo { _: Int, _: String ->
+        _.hashCode()
+    }
+
+    foo { `_`, _ ->
+        _ checkType { <!INAPPLICABLE_CANDIDATE!>_<!><Int>() }
+    }
+
+    foo { _, `_` ->
+        _ checkType { _<String>() }
+    }
+
+    foo { `_`, `_` ->
+        _ checkType { _<String>() }
+    }
+
+    foo(fun(x: Int, _: String) {})
+}