diff options
Diffstat (limited to 'compiler/rustc_driver_impl/src')
| -rw-r--r-- | compiler/rustc_driver_impl/src/lib.rs | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs index f74eb028364..9c1a5d50230 100644 --- a/compiler/rustc_driver_impl/src/lib.rs +++ b/compiler/rustc_driver_impl/src/lib.rs @@ -362,13 +362,18 @@ fn run_compiler( interface::run_compiler(config, |compiler| { let sess = compiler.session(); let codegen_backend = compiler.codegen_backend(); + + // This implements `-Whelp`. It should be handled very early, like + // `--help`/`-Zhelp`/`-Chelp`. This is the earliest it can run, because + // it must happen after lints are registered, during session creation. + if sess.opts.describe_lints { + describe_lints(sess); + return sess.compile_status(); + } + let handler = EarlyErrorHandler::new(sess.opts.error_format); if !has_input { - if sess.opts.describe_lints { - describe_lints(sess); - return sess.compile_status(); - } let should_stop = print_crate_info(&handler, codegen_backend, sess, false); if should_stop == Compilation::Continue { handler.early_error("no input filename given") @@ -419,11 +424,6 @@ fn run_compiler( return early_exit(); } - if sess.opts.describe_lints { - describe_lints(sess); - return early_exit(); - } - // Make sure name resolution and macro expansion is run. queries.global_ctxt()?.enter(|tcx| tcx.resolver_for_lowering(())); |