diff options
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/rustc_session/src/config/cfg.rs | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/compiler/rustc_session/src/config/cfg.rs b/compiler/rustc_session/src/config/cfg.rs index 3426858495b..b68dfeffa34 100644 --- a/compiler/rustc_session/src/config/cfg.rs +++ b/compiler/rustc_session/src/config/cfg.rs @@ -332,6 +332,11 @@ impl CheckCfg { // Note that symbols inserted conditionally in `default_configuration` // are inserted unconditionally here. // + // One exception is the `test` cfg which is consider to be a "user-space" + // cfg, despite being also set by in `default_configuration` above. + // It allows the build system to "deny" using the config by not marking it + // as expected (e.g. `lib.test = false` for Cargo). + // // When adding a new config here you should also update // `tests/ui/check-cfg/well-known-values.rs` (in order to test the // expected values of the new config) and bless the all directory. @@ -453,8 +458,6 @@ impl CheckCfg { ins!(sym::target_thread_local, no_values); - ins!(sym::test, no_values); - ins!(sym::ub_checks, no_values); ins!(sym::unix, no_values); |