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-rw-r--r--src/librustc_lint/builtin.rs2
-rw-r--r--src/test/ui/rust-2018/async-ident.fixed3
-rw-r--r--src/test/ui/rust-2018/async-ident.rs3
-rw-r--r--src/test/ui/rust-2018/async-ident.stderr34
4 files changed, 24 insertions, 18 deletions
diff --git a/src/librustc_lint/builtin.rs b/src/librustc_lint/builtin.rs
index 4897b7406f8..ecfb52f136a 100644
--- a/src/librustc_lint/builtin.rs
+++ b/src/librustc_lint/builtin.rs
@@ -1788,7 +1788,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for UnnameableTestFunctions {
 
 declare_lint! {
     pub ASYNC_IDENTS,
-    Deny,
+    Allow,
     "detects `async` being used as an identifier"
 }
 
diff --git a/src/test/ui/rust-2018/async-ident.fixed b/src/test/ui/rust-2018/async-ident.fixed
index dc44fec912e..228bf911253 100644
--- a/src/test/ui/rust-2018/async-ident.fixed
+++ b/src/test/ui/rust-2018/async-ident.fixed
@@ -10,6 +10,7 @@
 
 #![feature(raw_identifiers)]
 #![allow(dead_code, unused_variables, non_camel_case_types, non_upper_case_globals)]
+#![deny(async_idents)]
 
 // edition:2015
 // run-rustfix
@@ -84,4 +85,4 @@ macro_rules! consumes_async {
     (r#async) => (1)
     //~^ ERROR async
     //~| WARN hard error in the 2018 edition
-}
\ No newline at end of file
+}
diff --git a/src/test/ui/rust-2018/async-ident.rs b/src/test/ui/rust-2018/async-ident.rs
index 6fffad0ce9b..cc400c2a92e 100644
--- a/src/test/ui/rust-2018/async-ident.rs
+++ b/src/test/ui/rust-2018/async-ident.rs
@@ -10,6 +10,7 @@
 
 #![feature(raw_identifiers)]
 #![allow(dead_code, unused_variables, non_camel_case_types, non_upper_case_globals)]
+#![deny(async_idents)]
 
 // edition:2015
 // run-rustfix
@@ -84,4 +85,4 @@ macro_rules! consumes_async {
     (async) => (1)
     //~^ ERROR async
     //~| WARN hard error in the 2018 edition
-}
\ No newline at end of file
+}
diff --git a/src/test/ui/rust-2018/async-ident.stderr b/src/test/ui/rust-2018/async-ident.stderr
index 85596e8fe6b..94fd3e70434 100644
--- a/src/test/ui/rust-2018/async-ident.stderr
+++ b/src/test/ui/rust-2018/async-ident.stderr
@@ -1,15 +1,19 @@
 error: `async` is a keyword in the 2018 edition
-  --> $DIR/async-ident.rs:17:4
+  --> $DIR/async-ident.rs:18:4
    |
 LL | fn async() {} //~ ERROR async
    |    ^^^^^ help: you can use a raw identifier to stay compatible: `r#async`
    |
-   = note: #[deny(async_idents)] on by default
+note: lint level defined here
+  --> $DIR/async-ident.rs:13:9
+   |
+LL | #![deny(async_idents)]
+   |         ^^^^^^^^^^^^
    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
 error: `async` is a keyword in the 2018 edition
-  --> $DIR/async-ident.rs:22:7
+  --> $DIR/async-ident.rs:23:7
    |
 LL |     ($async:expr, async) => {};
    |       ^^^^^ help: you can use a raw identifier to stay compatible: `r#async`
@@ -18,7 +22,7 @@ LL |     ($async:expr, async) => {};
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
 error: `async` is a keyword in the 2018 edition
-  --> $DIR/async-ident.rs:22:19
+  --> $DIR/async-ident.rs:23:19
    |
 LL |     ($async:expr, async) => {};
    |                   ^^^^^ help: you can use a raw identifier to stay compatible: `r#async`
@@ -27,7 +31,7 @@ LL |     ($async:expr, async) => {};
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
 error: `async` is a keyword in the 2018 edition
-  --> $DIR/async-ident.rs:36:11
+  --> $DIR/async-ident.rs:37:11
    |
 LL |     trait async {}
    |           ^^^^^ help: you can use a raw identifier to stay compatible: `r#async`
@@ -36,7 +40,7 @@ LL |     trait async {}
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
 error: `async` is a keyword in the 2018 edition
-  --> $DIR/async-ident.rs:40:10
+  --> $DIR/async-ident.rs:41:10
    |
 LL |     impl async for MyStruct {}
    |          ^^^^^ help: you can use a raw identifier to stay compatible: `r#async`
@@ -45,7 +49,7 @@ LL |     impl async for MyStruct {}
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
 error: `async` is a keyword in the 2018 edition
-  --> $DIR/async-ident.rs:46:12
+  --> $DIR/async-ident.rs:47:12
    |
 LL |     static async: u32 = 0;
    |            ^^^^^ help: you can use a raw identifier to stay compatible: `r#async`
@@ -54,7 +58,7 @@ LL |     static async: u32 = 0;
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
 error: `async` is a keyword in the 2018 edition
-  --> $DIR/async-ident.rs:52:11
+  --> $DIR/async-ident.rs:53:11
    |
 LL |     const async: u32 = 0;
    |           ^^^^^ help: you can use a raw identifier to stay compatible: `r#async`
@@ -63,7 +67,7 @@ LL |     const async: u32 = 0;
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
 error: `async` is a keyword in the 2018 edition
-  --> $DIR/async-ident.rs:58:15
+  --> $DIR/async-ident.rs:59:15
    |
 LL | impl Foo { fn async() {} }
    |               ^^^^^ help: you can use a raw identifier to stay compatible: `r#async`
@@ -72,7 +76,7 @@ LL | impl Foo { fn async() {} }
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
 error: `async` is a keyword in the 2018 edition
-  --> $DIR/async-ident.rs:63:12
+  --> $DIR/async-ident.rs:64:12
    |
 LL |     struct async {}
    |            ^^^^^ help: you can use a raw identifier to stay compatible: `r#async`
@@ -81,7 +85,7 @@ LL |     struct async {}
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
 error: `async` is a keyword in the 2018 edition
-  --> $DIR/async-ident.rs:66:9
+  --> $DIR/async-ident.rs:67:9
    |
 LL |     let async: async = async {};
    |         ^^^^^ help: you can use a raw identifier to stay compatible: `r#async`
@@ -90,7 +94,7 @@ LL |     let async: async = async {};
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
 error: `async` is a keyword in the 2018 edition
-  --> $DIR/async-ident.rs:66:16
+  --> $DIR/async-ident.rs:67:16
    |
 LL |     let async: async = async {};
    |                ^^^^^ help: you can use a raw identifier to stay compatible: `r#async`
@@ -99,7 +103,7 @@ LL |     let async: async = async {};
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
 error: `async` is a keyword in the 2018 edition
-  --> $DIR/async-ident.rs:66:24
+  --> $DIR/async-ident.rs:67:24
    |
 LL |     let async: async = async {};
    |                        ^^^^^ help: you can use a raw identifier to stay compatible: `r#async`
@@ -108,7 +112,7 @@ LL |     let async: async = async {};
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
 error: `async` is a keyword in the 2018 edition
-  --> $DIR/async-ident.rs:77:19
+  --> $DIR/async-ident.rs:78:19
    |
 LL |     () => (pub fn async() {})
    |                   ^^^^^ help: you can use a raw identifier to stay compatible: `r#async`
@@ -117,7 +121,7 @@ LL |     () => (pub fn async() {})
    = note: for more information, see issue #49716 <https://github.com/rust-lang/rust/issues/49716>
 
 error: `async` is a keyword in the 2018 edition
-  --> $DIR/async-ident.rs:84:6
+  --> $DIR/async-ident.rs:85:6
    |
 LL |     (async) => (1)
    |      ^^^^^ help: you can use a raw identifier to stay compatible: `r#async`
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2026-04-23 22:26:29 +0000