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const-block-as-pattern: do not refer to no-longer-existing nightly feature #143589

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Merged
merged 1 commit into from
Jul 8, 2025
Merged

const-block-as-pattern: do not refer to no-longer-existing nightly feature #143589

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6 changes: 4 additions & 2 deletions compiler/rustc_parse/src/parser/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1293,8 +1293,10 @@ impl<'a> Parser<'a> {
let kind = if pat {
let guar = self
.dcx()
.struct_span_err(blk_span, "`inline_const_pat` has been removed")
.with_help("use a named `const`-item or an `if`-guard instead")
.struct_span_err(blk_span, "const blocks cannot be used as patterns")
.with_help(
"use a named `const`-item or an `if`-guard (`x if x == const { ... }`) instead",
)
.emit();
ExprKind::Err(guar)
} else {
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2 changes: 1 addition & 1 deletion tests/ui/inline-const/in-pat-recovery.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@
fn main() {
match 1 {
const { 1 + 7 } => {}
//~^ ERROR `inline_const_pat` has been removed
//~^ ERROR const blocks cannot be used as patterns
2 => {}
_ => {}
}
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4 changes: 2 additions & 2 deletions tests/ui/inline-const/in-pat-recovery.stderr
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@@ -1,10 +1,10 @@
error: `inline_const_pat` has been removed
error: const blocks cannot be used as patterns
--> $DIR/in-pat-recovery.rs:6:15
|
LL | const { 1 + 7 } => {}
| ^^^^^^^^^
|
= help: use a named `const`-item or an `if`-guard instead
= help: use a named `const`-item or an `if`-guard (`x if x == const { ... }`) instead

error: aborting due to 1 previous error

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