// RUN: %target-swiftc_driver -swift-version 3 %s
// RUN: not %target-swiftc_driver -swift-version foo %s 2>&1 | %FileCheck --check-prefix BAD %s
// RUN: not %target-swiftc_driver -swift-version 1 %s 2>&1 | %FileCheck --check-prefix BAD %s
// RUN: not %target-swiftc_driver -swift-version 2 %s 2>&1 | %FileCheck --check-prefix BAD %s
// RUN: not %target-swiftc_driver -swift-version 2.3 %s 2>&1 | %FileCheck --check-prefix BAD %s
// RUN: not %target-swiftc_driver -swift-version 7 %s 2>&1 | %FileCheck --check-prefix BAD %s
// RUN: not %target-swiftc_driver -swift-version 7.2 %s 2>&1 | %FileCheck --check-prefix BAD %s
// RUN: not %target-swiftc_driver -swift-version 3.0 %s 2>&1 | %FileCheck --check-prefix FIXIT_3 %s
// RUN: not %target-swiftc_driver -swift-version 3.3 %s 2>&1 | %FileCheck --check-prefix FIXIT_3 %s
// RUN: not %target-swiftc_driver -swift-version 4.3 %s 2>&1 | %FileCheck --check-prefix FIXIT_4 %s

// BAD: invalid value
// BAD: note: valid arguments to '-swift-version' are '3', '4'

// FIXIT_3: use major version, as in '-swift-version 3'
// FIXIT_4: use major version, as in '-swift-version 4'

let x = 1