Partial body resolve: more efficient handling of loops

idea/testData/resolve/partialBodyResolve/IfNullDoWhileWithBreak.dump

@@ -0,0 +1,3 @@
+Resolve target: val x: kotlin.Any?
+Skipped statements:
+if (x == null) { do { if (g()) break } while (f()) }

idea/testData/resolve/partialBodyResolve/IfNullDoWhileWithBreak.kt

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

idea/testData/resolve/partialBodyResolve/IfNullForWithReturn.dump

@@ -0,0 +1,3 @@
+Resolve target: val x: kotlin.Any?
+Skipped statements:
+if (x == null) { for (s in c) { print(s) return } }

idea/testData/resolve/partialBodyResolve/IfNullForWithReturn.kt

@@ -0,0 +1,14 @@
+fun foo(c: Collection<String>) {
+    for (i in 1..10) {
+        val x = take()
+        if (x == null) {
+            for (s in c) {
+                print(s)
+                return
+            }
+        }
+        <caret>x.hashCode()
+    }
+}
+
+fun take(): Any? = null

idea/testData/resolve/partialBodyResolve/IfNullWhileTrueWithBreak.dump

@@ -0,0 +1,3 @@
+Resolve target: val x: kotlin.Any?
+Skipped statements:
+if (x == null) { while (true) { if (g()) break } }

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{}

idea/testData/resolve/partialBodyResolve/IfNullWhileWithReturn.dump

@@ -0,0 +1,3 @@
+Resolve target: val x: kotlin.Any?
+Skipped statements:
+if (x == null) { while (f()) { print(1) return } }

idea/testData/resolve/partialBodyResolve/IfNullWhileWithReturn.kt

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