diff options
Diffstat (limited to 'compiler/rustc_session/src/config.rs')
| -rw-r--r-- | compiler/rustc_session/src/config.rs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs index a60af3f2d71..20c14a98502 100644 --- a/compiler/rustc_session/src/config.rs +++ b/compiler/rustc_session/src/config.rs @@ -1304,7 +1304,10 @@ pub(crate) const fn default_lib_output() -> CrateType { } pub fn build_configuration(sess: &Session, mut user_cfg: Cfg) -> Cfg { - // Combine the configuration requested by the session (command line) with + // First disallow some configuration given on the command line + cfg::disallow_cfgs(sess, &user_cfg); + + // Then combine the configuration requested by the session (command line) with // some default and generated configuration items. user_cfg.extend(cfg::default_configuration(sess)); user_cfg |