From 50e61a1a667929d0db91132246e61c1a67ab07af Mon Sep 17 00:00:00 2001
From: Loïc BRANSTETT <lolo.branstett@numericable.fr>
Date: Fri, 25 Feb 2022 13:43:57 +0100
Subject: Add support for values() with --check-cfg

---
 compiler/rustc_interface/src/interface.rs | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'compiler/rustc_interface/src')

diff --git a/compiler/rustc_interface/src/interface.rs b/compiler/rustc_interface/src/interface.rs
index 7f4a4ffadec..e7563933c88 100644
--- a/compiler/rustc_interface/src/interface.rs
+++ b/compiler/rustc_interface/src/interface.rs
@@ -207,6 +207,9 @@ pub fn parse_check_cfg(specs: Vec<String>) -> CheckCfg {
                                             "`values()` first argument must be a simple identifer"
                                         );
                                     }
+                                } else if args.is_empty() {
+                                    cfg.well_known_values = true;
+                                    continue 'specs;
                                 }
                             }
                         }
-- 
cgit 1.4.1-3-g733a5