Remove external finally block interval on splitting during inline

#KT-20433 Fixed

compiler/testData/codegen/boxInline/nonLocalReturns/tryFinally/kt20433.kt

@@ -0,0 +1,47 @@
+// FILE: 1.kt
+//WITH_RUNTIME
+package test
+
+public inline fun <T, R> T.mylet(block: (T) -> R): R {
+    return block(this)
+}
+
+// FILE: 2.kt
+import test.*
+
+var message = ""
+
+fun foo(root: String): String {
+    try {
+        return root.let { _ ->
+            try {
+                if (!random()) {
+                    return root
+                }
+                return "fail $root"
+            } catch (e: Exception) {
+                message += "${e.message} "
+            }
+            "fail"
+        }
+    } finally {
+        message += "Finally block"
+    }
+}
+
+var exception = false
+
+fun random() = if (exception) error("Exception") else false
+
+fun box(): String {
+    var okResult =  foo("OK")
+    if (okResult != "OK") return "fail 1: $okResult"
+    if (message != "Finally block") return "fail 2: $message"
+
+    message = ""
+    exception = true
+    if (foo("OK") != "fail") return "fail 3: ${foo("OK")}"
+    if (message != "Exception Finally block" ) return "fail 4: $message"
+
+    return okResult
+}

compiler/testData/codegen/boxInline/nonLocalReturns/tryFinally/kt20433_2.kt

@@ -0,0 +1,47 @@
+// FILE: 1.kt
+//WITH_RUNTIME
+package test
+
+public inline fun <T, R> T.mylet(block: (T) -> R): R {
+    return block(this)
+}
+
+// FILE: 2.kt
+import test.*
+
+var message = ""
+
+fun foo(root: String): String {
+    try {
+        return root.let { _ ->
+            try {
+                if (!random()) {
+                    return root
+                }
+                return "fail $root"
+            } catch (e: Exception) {
+                message += "Exception $e"
+            }
+            "fail"
+        }
+    } finally {
+        message += "Finally block"
+    }
+}
+
+var fail = false
+
+fun random() = fail
+
+fun box(): String {
+    var okResult =  foo("OK")
+    if (okResult != "OK") return "fail 1: $okResult"
+    if (message != "Finally block") return "fail 2: $message"
+
+    message = ""
+    fail = true
+    if (foo("OK") != "fail OK") return "fail 3: ${foo("OK")}"
+    if (message != "Finally block" ) return "fail 4: $message"
+
+    return okResult
+}

compiler/testData/codegen/boxInline/nonLocalReturns/tryFinally/kt20433_2_void.kt

@@ -0,0 +1,47 @@
+// FILE: 1.kt
+//WITH_RUNTIME
+package test
+
+public inline fun <T, R> T.mylet(block: (T) -> R): R {
+    return block(this)
+}
+
+// FILE: 2.kt
+import test.*
+
+var message = ""
+
+fun foo(root: String) {
+    try {
+        return root.let { _ ->
+            try {
+                if (!random()) {
+                    message += root
+                    return
+                }
+                message += "fail $root"
+            } catch (e: Exception) {
+                message += "Exception $e"
+            }
+            "fail"
+        }
+    } finally {
+        message += " Finally block"
+    }
+}
+
+var fail = false
+
+fun random() = fail
+
+fun box(): String {
+    foo("OK")
+    if (message != "OK Finally block") return "fail 1: $message"
+
+    message = ""
+    fail = true
+    foo("OK")
+    if (message != "fail OK Finally block" ) return "fail 2: $message"
+
+    return "OK"
+}

compiler/testData/codegen/boxInline/nonLocalReturns/tryFinally/kt20433_void.kt

@@ -0,0 +1,48 @@
+// FILE: 1.kt
+//WITH_RUNTIME
+package test
+
+public inline fun <T, R> T.mylet(block: (T) -> R): R {
+    return block(this)
+}
+
+// FILE: 2.kt
+import test.*
+
+var message = ""
+
+fun foo(root: String) {
+    try {
+        root.let { _ ->
+            try {
+                if (!random()) {
+                    message += root
+                    return
+                }
+                message += "fail $root"
+                return
+            } catch (e: Exception) {
+                message += "${e.message}"
+            }
+            "fail"
+        }
+    } finally {
+        message += " Finally block"
+    }
+}
+
+var exception = false
+
+fun random() = if (exception) error("Exception") else false
+
+fun box(): String {
+    foo("OK")
+    if (message != "OK Finally block") return "fail 1: $message"
+
+    message = ""
+    exception = true
+    foo("OK")
+    if (message != "Exception Finally block" ) return "fail 2: $message"
+
+    return "OK"
+}