mirror of https://github.com/rust-lang/rust
45 lines
869 B
Rust
45 lines
869 B
Rust
// Regression test for #42602. It used to be that we had
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// a dep-graph like
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//
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// typeck(foo) -> FnOnce -> typeck(bar)
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//
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// This was fixed by improving the resolution of the `FnOnce` trait
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// selection node.
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//@ revisions:cfail1 cfail2 cfail3
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//@ compile-flags:-Zquery-dep-graph
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//@ build-pass (FIXME(62277): could be check-pass?)
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#![feature(rustc_attrs)]
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fn main() {
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a::foo();
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b::bar();
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}
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mod a {
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#[cfg(cfail1)]
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pub fn foo() {
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let x = vec![1, 2, 3];
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let v = || ::std::mem::drop(x);
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v();
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}
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#[cfg(not(cfail1))]
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pub fn foo() {
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let x = vec![1, 2, 3, 4];
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let v = || ::std::mem::drop(x);
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v();
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}
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}
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mod b {
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#[rustc_clean(cfg="cfail2")]
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#[rustc_clean(cfg="cfail3")]
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pub fn bar() {
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let x = vec![1, 2, 3];
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let v = || ::std::mem::drop(x);
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v();
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}
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}
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