Auto merge of #108488 - matthiaskrgr:rollup-i61epcw, r=matthiaskrgr

Rollup of 9 pull requests

Successful merges:

 - #107941 (Treat `str` as containing `[u8]` for auto trait purposes)
 - #108299 (Require `literal`s for some `(u)int_impl!` parameters)
 - #108337 (hir-analysis: make a helpful note)
 - #108379 (Add `ErrorGuaranteed` to `hir::{Expr,Ty}Kind::Err` variants)
 - #108418 (Replace parse_[sth]_expr with parse_expr_[sth] function names)
 - #108424 (rustc_infer: Consolidate obligation elaboration de-duplication)
 - #108475 (Fix `VecDeque::shrink_to` and add tests.)
 - #108482 (statically guarantee that current error codes are documented)
 - #108484 (Remove `from` lang item)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup

1 files changed, 1 insertions, 4 deletions

diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs
index 54bcb154da2..464ddae476a 100644
--- a/compiler/rustc_driver_impl/src/lib.rs
+++ b/compiler/rustc_driver_impl/src/lib.rs
@@ -485,7 +485,7 @@ fn handle_explain(registry: Registry, code: &str, output: ErrorOutputType) {
     let normalised =
         if upper_cased_code.starts_with('E') { upper_cased_code } else { format!("E{code:0>4}") };
     match registry.try_find_description(&normalised) {
-        Ok(Some(description)) => {
+        Ok(description) => {
             let mut is_in_code_block = false;
             let mut text = String::new();
             // Slice off the leading newline and print.
@@ -509,9 +509,6 @@ fn handle_explain(registry: Registry, code: &str, output: ErrorOutputType) {
                 print!("{text}");
             }
         }
-        Ok(None) => {
-            early_error(output, &format!("no extended information for {code}"));
-        }
         Err(InvalidErrorCode) => {
             early_error(output, &format!("{code} is not a valid error code"));
         }