Migrate boxInline tests to new multi-file framework

compiler/testData/codegen/boxInline/tryCatchFinally/kt5863.kt

@@ -0,0 +1,19 @@
+// FILE: 1.kt
+
+inline fun <R> performWithFinally(finally: () -> R) : R {
+    try {
+        throw RuntimeException("1")
+    } catch (e: RuntimeException) {
+        throw RuntimeException("2")
+    } finally {
+        return finally()
+    }
+}
+
+// FILE: 2.kt
+
+inline fun test2Inline() = performWithFinally { "OK" }
+
+fun box(): String {
+    return test2Inline()
+}