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f10b45b540
Right now the stdlib/overlays can compile against -Onone tests with or without -enable-ownership-stripping-after-serialization. This will help me to prevent other work going on from breaking these properties.
50 lines
2.0 KiB
Swift
50 lines
2.0 KiB
Swift
// RUN: %target-swift-frontend -emit-sil %s -verify
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// RUN: %target-swift-frontend -emit-sil %s -verify -enable-ownership-stripping-after-serialization
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func test0(a: (() -> ()) -> (), b: () -> ()) {
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a(b) // expected-error {{passing a non-escaping function parameter 'b' to a call to a non-escaping function parameter can allow re-entrant modification of a variable}}
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}
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func test0(fn: (() -> ()) -> ()) {
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fn { fn {} } // expected-error {{passing a closure which captures a non-escaping function parameter 'fn' to a call to a non-escaping function parameter can allow re-entrant modification of a variable}}
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}
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func test1(fn: (() -> ()) -> ()) {
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func foo() {
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fn { fn {} } // expected-error {{passing a closure which captures a non-escaping function parameter 'fn' to a call to a non-escaping function parameter can allow re-entrant modification of a variable}}
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}
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}
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func test2(x: inout Int, fn: (() -> ()) -> ()) {
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func foo(myfn: () -> ()) {
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x += 1
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myfn()
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}
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// Make sure we only complain about calls to noescape parameters.
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foo { fn {} }
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}
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func test3(fn: (() -> ()) -> ()) {
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{ myfn in myfn { fn {} } }(fn) // expected-error {{passing a closure which captures a non-escaping function parameter 'fn' to a call to a non-escaping function parameter can allow re-entrant modification of a variable}}
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}
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func test4(fn: (() -> ()) -> ()) {
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func foo() {
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fn {}
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}
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fn(foo) // expected-error {{passing a closure which captures a non-escaping function parameter 'fn' to a call to a non-escaping function parameter can allow re-entrant modification of a variable}}
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}
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// rdar://problem/34496304
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func test5(outer: (() throws -> Int) throws -> Int) throws -> Int {
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func descend(_ inner: (() throws -> Int) throws -> Int) throws -> Int {
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return try inner { // expected-error {{passing a closure which captures a non-escaping function parameter 'inner' to a call to a non-escaping function parameter can allow re-entrant modification of a variable}}
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try descend(inner)
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}
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}
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return try descend(outer)
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}
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