Extract Function: Allow to combine throws with other exit points

idea/testData/refactoring/extractFunction/controlFlow/unextractable/evalExpressionWithThrow.kt

@@ -1,7 +0,0 @@
-// NEXT_SIBLING:
-fun foo(a: Int): Int {
-    val b: Int = 1
-
-    val t = <selection>if (a > 0) throw Exception("") else a + b</selection>
-    return t
-}

idea/testData/refactoring/extractFunction/controlFlow/unextractable/evalExpressionWithThrow.kt.conflicts

@@ -1 +0,0 @@
-Selected code fragment has multiple exit points