mirror of https://github.com/rust-lang/rust
62 lines
1.2 KiB
Rust
62 lines
1.2 KiB
Rust
// Verifies that casting to a function pointer works.
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//@ revisions: cfi kcfi
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// FIXME(#122848) Remove only-linux once OSX CFI binaries work
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//@ only-linux
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//@ [cfi] needs-sanitizer-cfi
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//@ [kcfi] needs-sanitizer-kcfi
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//@ compile-flags: -C target-feature=-crt-static
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//@ [cfi] compile-flags: -C opt-level=0 -C codegen-units=1 -C lto
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//@ [cfi] compile-flags: -C prefer-dynamic=off
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//@ [cfi] compile-flags: -Z sanitizer=cfi
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//@ [kcfi] compile-flags: -Z sanitizer=kcfi
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//@ [kcfi] compile-flags: -C panic=abort -C prefer-dynamic=off
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//@ run-pass
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trait Foo {
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fn foo(&self);
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fn bar(&self);
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}
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struct S;
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impl Foo for S {
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fn foo(&self) {}
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#[track_caller]
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fn bar(&self) {}
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}
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struct S2 {
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f: fn(&S)
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}
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impl S2 {
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fn foo(&self, s: &S) {
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(self.f)(s)
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}
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}
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trait Trait1 {
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fn foo(&self);
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}
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struct Type1;
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impl Trait1 for Type1 {
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fn foo(&self) {}
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}
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fn foo<T>(_: &T) {}
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fn main() {
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let type1 = Type1 {};
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let f = <Type1 as Trait1>::foo;
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f(&type1);
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// Check again with different optimization barriers
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S2 { f: <S as Foo>::foo }.foo(&S);
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// Check mismatched #[track_caller]
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S2 { f: <S as Foo>::bar }.foo(&S);
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// Check non-method functions
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S2 { f: foo }.foo(&S)
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}
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