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remove attempt at fn call

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This commit is contained in:
Gus Wynn 2021-09-11 10:50:09 -07:00
parent 2271376fb2
commit 67ee91e77e
1 changed files with 1 additions and 69 deletions
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70
compiler/rustc_typeck/src/check/generator_interior.rs
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@ -472,7 +472,7 @@ pub fn check_must_not_suspend_ty<'tcx>(
let plural_suffix = pluralize!(plural_len);
let emitted = match *ty.kind() {
match *ty.kind() {
ty::Adt(..) if ty.is_box() => {
let boxed_ty = ty.boxed_ty();
let descr_pre = &format!("{}boxed ", descr_pre);
@ -589,58 +589,6 @@ pub fn check_must_not_suspend_ty<'tcx>(
}
},
_ => false,
};
// Don't move onto the "return value" path if we already sent a diagnostic
if emitted {
return true;
}
match expr {
Some(expr) => match expr.kind {
hir::ExprKind::Call(ref callee, _) => {
match callee.kind {
hir::ExprKind::Path(ref qpath) => {
match fcx.typeck_results.borrow().qpath_res(qpath, callee.hir_id) {
Res::Def(DefKind::Fn | DefKind::AssocFn, def_id) => {
check_must_not_suspend_def(
fcx.tcx,
def_id,
hir_id,
source_span,
yield_span,
"return value of ",
"",
)
}
// `Res::Local` if it was a closure, for which we
// do not currently support must-not-suspend linting
_ => false,
}
}
_ => false,
}
}
hir::ExprKind::MethodCall(..) => {
if let Some(def_id) = fcx.typeck_results.borrow().type_dependent_def_id(expr.hir_id)
{
check_must_not_suspend_def(
fcx.tcx,
def_id,
hir_id,
source_span,
yield_span,
"return value of ",
"",
)
} else {
false
}
}
_ => false,
},
None => false,
}
}
@ -687,22 +635,6 @@ fn check_must_not_suspend_def(
},
);
/*
cx.struct_span_lint(UNUSED_MUST_USE, span, |lint| {
let msg = format!(
"unused {}`{}`{} that must be used",
descr_pre_path,
cx.tcx.def_path_str(def_id),
descr_post_path
);
let mut err = lint.build(&msg);
// check for #[must_use = "..."]
if let Some(note) = attr.value_str() {
err.note(&note.as_str());
}
err.emit();
});
*/
return true;
}
}