openharmony/third_party_rust_cxx
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Remove multiple arg lifetimes check

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This was made obsolete by support for explicit lifetime annotations
in cxx 1.0.26.
This commit is contained in:
David Tolnay 2021-03-26 18:03:51 -04:00
parent 5b97fc4e06
commit 47b820940c
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1 changed files with 0 additions and 31 deletions
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31
syntax/check.rs
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@ -469,8 +469,6 @@ fn check_api_fn(cx: &mut Check, efn: &ExternFn) {
if efn.lang == Lang::Cxx {
check_mut_return_restriction(cx, efn);
}
check_multiple_arg_lifetimes(cx, efn);
}
fn check_api_type_alias(cx: &mut Check, alias: &TypeAlias) {
@ -564,35 +562,6 @@ fn check_mut_return_restriction(cx: &mut Check, efn: &ExternFn) {
);
}
fn check_multiple_arg_lifetimes(cx: &mut Check, efn: &ExternFn) {
if efn.lang == Lang::Cxx && efn.trusted {
return;
}
match &efn.ret {
Some(Type::Ref(_)) => {}
_ => return,
}
let mut reference_args = 0;
for arg in &efn.args {
if let Type::Ref(_) = &arg.ty {
reference_args += 1;
}
}
if efn.receiver.is_some() {
reference_args += 1;
}
if reference_args != 1 {
cx.error(
efn,
"functions that return a reference must take exactly one input reference",
);
}
}
fn check_reserved_name(cx: &mut Check, ident: &Ident) {
if ident == "Box"
|| ident == "UniquePtr"