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https://github.com/rust-lang/rust
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233d94e72f
To separate `ReifyReason::FnPtr` from `ReifyReason::VTable`, we hyphenated the shims. Hyphens are not actually legal, but underscores are, so use those instead.
31 lines
568 B
Rust
31 lines
568 B
Rust
// Check KCFI extra mangling works correctly on v0
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//@ needs-sanitizer-kcfi
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//@ no-prefer-dynamic
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//@ compile-flags: -C panic=abort -Zsanitizer=kcfi -C symbol-mangling-version=v0
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//@ build-pass
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trait Foo {
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fn foo(&self);
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}
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struct Bar;
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impl Foo for Bar {
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fn foo(&self) {}
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}
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struct Baz;
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impl Foo for Baz {
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#[track_caller]
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fn foo(&self) {}
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}
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fn main() {
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// Produces `ReifyShim(_, ReifyReason::FnPtr)`
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let f: fn(&Bar) = Bar::foo;
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f(&Bar);
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// Produces `ReifyShim(_, ReifyReason::Vtable)`
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let v: &dyn Foo = &Baz as _;
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v.foo();
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}
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