// RUN: echo %s > %t.filelist.txt
// RUN: not --crash %target-swift-frontend -interpret -filelist %t.filelist.txt 2>&1 | %FileCheck %s

// CHECK: Stack dump:
// CHECK-NEXT: Program arguments:
// CHECK-NEXT: Swift version
// CHECK-NEXT: Contents of {{.*}}.filelist.txt:
// CHECK-NEXT: ---
// CHECK-NEXT: crash-in-user-code.swift
// CHECK-NEXT: ---
// CHECK-NEXT: While running user code "SOURCE_DIR/test/FrontEnd/crash-in-user-code.swift"

let x: Int? = nil
x!