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Fix ICE in
improper_ctypes_definitions
lint with all-ZST transparen…
…t types
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// Regression test for the ICE described in #87496. | ||
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// check-pass | ||
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#[repr(transparent)] | ||
struct TransparentCustomZst(()); | ||
extern "C" { | ||
fn good17(p: TransparentCustomZst); | ||
//~^ WARNING: `extern` block uses type `TransparentCustomZst`, which is not FFI-safe | ||
} | ||
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fn main() {} |
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warning: `extern` block uses type `TransparentCustomZst`, which is not FFI-safe | ||
--> $DIR/repr-transparent-issue-87496.rs:8:18 | ||
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LL | fn good17(p: TransparentCustomZst); | ||
| ^^^^^^^^^^^^^^^^^^^^ not FFI-safe | ||
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= note: `#[warn(improper_ctypes)]` on by default | ||
= note: this struct contains only zero-sized fields | ||
note: the type is defined here | ||
--> $DIR/repr-transparent-issue-87496.rs:6:1 | ||
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LL | struct TransparentCustomZst(()); | ||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | ||
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warning: 1 warning emitted | ||
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