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

compiler/testData/diagnostics/tests/extensions/kt1875.fir.kt

@@ -0,0 +1,22 @@
+// !WITH_NEW_INFERENCE
+//KT-1875 Safe call should be binded with receiver or this object (but not with both by default)
+
+package kt1875
+
+fun foo(a : Int?, b : Int.(Int)->Int) = a?.<!UNRESOLVED_REFERENCE!>b<!>(1) //unnecessary safe call warning
+
+interface T {
+    val f : ((i: Int) -> Unit)?
+}
+
+fun test(t: T) {
+    t.<!INAPPLICABLE_CANDIDATE!>f<!>(1) //unsafe call error
+    t.f?.invoke(1)
+}
+
+fun test1(t: T?) {
+    t.<!UNRESOLVED_REFERENCE!>f<!>(1) // todo resolve f as value and report UNSAFE_CALL
+    t?.f(1)
+    t.<!INAPPLICABLE_CANDIDATE!>f<!>?.<!UNRESOLVED_REFERENCE!>invoke<!>(1)
+    t?.f?.invoke(1)
+}