Partial body resolve works for local Nothing functions + does not go inside local functions and classes

idea/testData/resolve/partialBodyResolve/LocalNothingFun.kt

@@ -0,0 +1,10 @@
+fun foo(p: String?, p1: Any?) {
+    if (p1 == null) return
+
+    fun localError(): Nothing = throw Exception()
+
+    if (p == null) {
+        localError()
+    }
+    <caret>p.size
+}