mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-27 17:24:06 +00:00
32 lines
1.5 KiB
Rust
32 lines
1.5 KiB
Rust
|
// Verifies that `Session::default_hidden_visibility` is affected when using the related cmdline
|
||
|
|
// flag. This is a regression test for https://github.com/rust-lang/compiler-team/issues/656. See
|
||
|
|
// also https://github.com/rust-lang/rust/issues/73295 and
|
||
|
|
// https://github.com/rust-lang/rust/issues/37530.
|
||
|
|
|
||
|
|
// revisions:DEFAULT YES NO
|
||
|
|
//[YES] compile-flags: -Zdefault-hidden-visibility=yes
|
||
|
|
//[NO] compile-flags: -Zdefault-hidden-visibility=no
|
||
|
|
|
||
|
|
// The test scenario is specifically about visibility of symbols exported out of dynamically linked
|
||
|
|
// libraries.
|
||
|
|
#![crate_type = "dylib"]
|
||
|
|
|
||
|
|
// The test scenario needs to use a Rust-public, but non-explicitly-exported symbol
|
||
|
|
// (e.g. the test doesn't use `#[no_mangle]`, because currently it implies that
|
||
|
|
// the symbol should be exported; we don't want that - we want to test the *default*
|
||
|
|
// export setting instead).
|
||
|
|
#[used]
|
||
|
|
pub static tested_symbol: [u8; 6] = *b"foobar";
|
||
|
|
|
||
|
|
// Exact LLVM IR differs depending on the target triple (e.g. `hidden constant`
|
||
|
|
// vs `internal constant` vs `constant`). Because of this, we only apply the
|
||
|
|
// specific test expectations below to one specific target triple. If needed,
|
||
|
|
// additional targets can be covered by adding copies of this test file with
|
||
|
|
// a different `only-X` directive.
|
||
|
|
//
|
||
|
|
// only-x86_64-unknown-linux-gnu
|
||
|
|
|
||
|
|
// DEFAULT: @{{.*}}default_hidden_visibility{{.*}}tested_symbol{{.*}} = constant
|
||
|
|
// YES: @{{.*}}default_hidden_visibility{{.*}}tested_symbol{{.*}} = hidden constant
|
||
|
|
// NO: @{{.*}}default_hidden_visibility{{.*}}tested_symbol{{.*}} = constant
|