Inline function: handle recursive calls

idea/testData/refactoring/inline/function/expressionBody/Recursive.kt

@@ -0,0 +1 @@
+fun fact(x: Int): Int = if (x < 2) 1 else x * <caret>fact(x - 1)

idea/testData/refactoring/inline/function/expressionBody/Recursive.kt.after

@@ -0,0 +1,4 @@
+fun fact(x: Int): Int = if (x < 2) 1 else {
+    val x1 = x - 1
+    x * if (x1 < 2) 1 else x1 * fact(x1 - 1)
+}

idea/testData/refactoring/inline/function/returnAtEnd/Recursive.kt

@@ -0,0 +1,3 @@
+fun fact(x: Int): Int {
+    return if (x < 2) 1 else <caret>fact(x - 1)
+}

idea/testData/refactoring/inline/function/returnAtEnd/Recursive.kt.after

@@ -0,0 +1,6 @@
+fun fact(x: Int): Int {
+    return if (x < 2) 1 else {
+        val x1 = x - 1
+        if (x1 < 2) 1 else fact(x1 - 1)
+    }
+}