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

compiler/testData/diagnostics/tests/inference/regressions/kt1145.fir.kt

@@ -0,0 +1,15 @@
+// !CHECK_TYPE
+
+//KT-1145 removing explicit generics on a call to Iterable<T>.map(...) seems to generate an odd bytecode/runtime error
+
+package d
+
+fun test(numbers: Iterable<Int>) {
+    val s = numbers.map{it.toString()}.fold(""){it, it2 -> it + it2}
+    <!INAPPLICABLE_CANDIDATE!>checkSubtype<!><Int>(s)
+}
+
+//from library
+fun <T, R> Iterable<T>.map(transform : (T) -> R) : List<R> {}
+
+fun <T> Iterable<T>.fold(initial: T, operation: (T, T) -> T): T {}