Some cleanups around EarlyDiagCtxt

All callers of EarlyDiagCtxt::early_error now emit a fatal error.

3 files changed, 6 insertions, 10 deletions

diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs
index 44adf92ff0e..af225c9d68d 100644
--- a/src/librustdoc/lib.rs
+++ b/src/librustdoc/lib.rs
@@ -177,9 +177,8 @@ pub fn main() {
     rustc_driver::init_logger(&early_dcx, rustc_log::LoggerConfig::from_env("RUSTDOC_LOG"));
 
     let exit_code = rustc_driver::catch_with_exit_code(|| {
-        let at_args = rustc_driver::args::raw_args(&early_dcx)?;
+        let at_args = rustc_driver::args::raw_args(&early_dcx);
         main_args(&mut early_dcx, &at_args);
-        Ok(())
     });
     process::exit(exit_code);
 }
diff --git a/src/tools/clippy/src/driver.rs b/src/tools/clippy/src/driver.rs
index c548f262a92..e4092bcd105 100644
--- a/src/tools/clippy/src/driver.rs
+++ b/src/tools/clippy/src/driver.rs
@@ -197,7 +197,7 @@ pub fn main() {
     });
 
     exit(rustc_driver::catch_with_exit_code(move || {
-        let mut orig_args = rustc_driver::args::raw_args(&early_dcx)?;
+        let mut orig_args = rustc_driver::args::raw_args(&early_dcx);
 
         let has_sysroot_arg = |args: &mut [String]| -> bool {
             if has_arg(args, "--sysroot") {
@@ -239,7 +239,7 @@ pub fn main() {
             pass_sysroot_env_if_given(&mut args, sys_root_env);
 
             rustc_driver::run_compiler(&args, &mut DefaultCallbacks);
-            return Ok(());
+            return;
         }
 
         if orig_args.iter().any(|a| a == "--version" || a == "-V") {
@@ -301,7 +301,6 @@ pub fn main() {
         } else {
             rustc_driver::run_compiler(&args, &mut RustcCallbacks { clippy_args_var });
         }
-        Ok(())
     }))
 }
 
diff --git a/src/tools/miri/src/bin/miri.rs b/src/tools/miri/src/bin/miri.rs
index 988a0be6327..fa68f65ceb5 100644
--- a/src/tools/miri/src/bin/miri.rs
+++ b/src/tools/miri/src/bin/miri.rs
@@ -379,10 +379,8 @@ fn run_compiler_and_exit(
     callbacks: &mut (dyn rustc_driver::Callbacks + Send),
 ) -> ! {
     // Invoke compiler, and handle return code.
-    let exit_code = rustc_driver::catch_with_exit_code(move || {
-        rustc_driver::run_compiler(args, callbacks);
-        Ok(())
-    });
+    let exit_code =
+        rustc_driver::catch_with_exit_code(move || rustc_driver::run_compiler(args, callbacks));
     std::process::exit(exit_code)
 }
 
@@ -461,7 +459,7 @@ fn main() {
     // (`install_ice_hook` might change `RUST_BACKTRACE`.)
     let env_snapshot = env::vars_os().collect::<Vec<_>>();
 
-    let args = rustc_driver::args::raw_args(&early_dcx)
+    let args = rustc_driver::catch_fatal_errors(|| rustc_driver::args::raw_args(&early_dcx))
         .unwrap_or_else(|_| std::process::exit(rustc_driver::EXIT_FAILURE));
 
     // Install the ctrlc handler that sets `rustc_const_eval::CTRL_C_RECEIVED`, even if