diff options
Diffstat (limited to 'compiler/rustc_interface/src')
| -rw-r--r-- | compiler/rustc_interface/src/interface.rs | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/compiler/rustc_interface/src/interface.rs b/compiler/rustc_interface/src/interface.rs index 03335996c03..32fba6ade88 100644 --- a/compiler/rustc_interface/src/interface.rs +++ b/compiler/rustc_interface/src/interface.rs @@ -202,8 +202,15 @@ pub(crate) fn parse_check_cfg(dcx: &DiagCtxt, specs: Vec<String>) -> CheckCfg { if !args.is_empty() { error!("`any()` must be empty"); } + } else if arg.has_name(sym::none) + && let Some(args) = arg.meta_item_list() + { + values.insert(None); + if !args.is_empty() { + error!("`none()` must be empty"); + } } else { - error!("`values()` arguments must be string literals or `any()`"); + error!("`values()` arguments must be string literals, `none()` or `any()`"); } } } else { |