rust/tests/codegen/static-relocation-model-msvc.rs

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// Verify linkage of external symbols in the static relocation model on MSVC.
//
// compile-flags: -O -C relocation-model=static
// aux-build: extern_decl.rs
// only-x86_64-pc-windows-msvc
#![crate_type = "rlib"]
extern crate extern_decl;
// The `extern_decl` definitions are imported from a statically linked rust
// crate, thus they are expected to be marked `dso_local` without `dllimport`.
//
// The `access_extern()` symbol is from this compilation unit, thus we expect
// it to be marked `dso_local` as well, given the static relocation model.
//
// CHECK: @extern_static = external dso_local local_unnamed_addr global i8
// CHECK: define dso_local i8 @access_extern() {{.*}}
// CHECK: declare dso_local i8 @extern_fn() {{.*}}
#[no_mangle]
pub fn access_extern() -> u8 {
unsafe {
extern_decl::extern_fn() + extern_decl::extern_static
}
}