Partial body resolve: more efficient handling of loops

idea/testData/resolve/partialBodyResolve/IfNullWhileTrueWithBreak.kt

@@ -0,0 +1,15 @@
+fun foo() {
+    for (i in 1..10) {
+        val x = take()
+        if (x == null) {
+            while (true) {
+                if (g()) break
+            }
+        }
+        <caret>x.hashCode()
+    }
+}
+
+fun take(): Any? = null
+fun f(): Boolean{}
+fun g(): Boolean{}