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29c1a2b9e9
While the KCFI scheme is not incompatible with unwinding, LLVM's `invoke` instruction does not currently support KCFI bundles. While it likely will in the near future, we won't be able to assume that in Rust for a while.
48 lines
1 KiB
Rust
48 lines
1 KiB
Rust
// Check that more complex receivers work:
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// * Arc<dyn Foo> as for custom receivers
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// * &dyn Bar<T=Baz> for type constraints
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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 codegen-units=1 -C lto -C prefer-dynamic=off -C opt-level=0
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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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use std::sync::Arc;
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trait Foo {
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fn foo(self: Arc<Self>);
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}
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struct FooImpl;
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impl Foo for FooImpl {
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fn foo(self: Arc<Self>) {}
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}
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trait Bar {
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type T;
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fn bar(&self) -> Self::T;
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}
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struct BarImpl;
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impl Bar for BarImpl {
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type T = i32;
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fn bar(&self) -> Self::T { 7 }
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}
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fn main() {
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let foo: Arc<dyn Foo> = Arc::new(FooImpl);
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foo.foo();
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let bar: &dyn Bar<T=i32> = &BarImpl;
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assert_eq!(bar.bar(), 7);
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}
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