diff options
Diffstat (limited to 'compiler/rustc_driver_impl')
| -rw-r--r-- | compiler/rustc_driver_impl/src/lib.rs | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs index 0413e5e8634..f7e7aa64614 100644 --- a/compiler/rustc_driver_impl/src/lib.rs +++ b/compiler/rustc_driver_impl/src/lib.rs @@ -1191,15 +1191,6 @@ fn print_flag_list<T>(cmdline_opt: &str, flag_list: &[OptionDesc<T>]) { /// be public when using rustc as a library, see /// <https://github.com/rust-lang/rust/commit/2b4c33817a5aaecabf4c6598d41e190080ec119e> pub fn handle_options(early_dcx: &EarlyDiagCtxt, args: &[String]) -> Option<getopts::Matches> { - if args.is_empty() { - // user did not write `-v` nor `-Z unstable-options`, so do not - // include that extra information. - let nightly_build = - rustc_feature::UnstableFeatures::from_environment(None).is_nightly_build(); - usage(false, false, nightly_build); - return None; - } - // Parse with *all* options defined in the compiler, we don't worry about // option stability here we just want to parse as much as possible. let mut options = getopts::Options::new(); @@ -1245,7 +1236,7 @@ pub fn handle_options(early_dcx: &EarlyDiagCtxt, args: &[String]) -> Option<geto // (unstable option being used on stable) nightly_options::check_nightly_options(early_dcx, &matches, &config::rustc_optgroups()); - if matches.opt_present("h") || matches.opt_present("help") { + if args.is_empty() || matches.opt_present("h") || matches.opt_present("help") { // Only show unstable options in --help if we accept unstable options. let unstable_enabled = nightly_options::is_unstable_enabled(&matches); let nightly_build = nightly_options::match_is_nightly_build(&matches); |