Auto merge of #61027 - Centril:rollup-oewauf1, r=Centril

Rollup of 10 pull requests

Successful merges:

 - #59742 (Move `edition` outside the hygiene lock and avoid accessing it)
 - #60581 (convert custom try macro to `?`)
 - #60963 (Update boxed::Box docs on memory layout)
 - #60973 (Avoid symbol interning in `file_metadata`.)
 - #60982 (Do not fail on child without DefId)
 - #60991 (LocalDecl push returns Local len)
 - #60995 (Add stream_to_parser_with_base_dir)
 - #60998 (static_assert: make use of anonymous constants)
 - #61003 (Remove impls for `InternedString`/string equality.)
 - #61006 (adjust deprecation date of mem::uninitialized)

Failed merges:

r? @ghost

1 files changed, 4 insertions, 5 deletions

diff --git a/src/librustc_data_structures/macros.rs b/src/librustc_data_structures/macros.rs
index 7fc23999284..b851263aaf9 100644
--- a/src/librustc_data_structures/macros.rs
+++ b/src/librustc_data_structures/macros.rs
@@ -1,13 +1,12 @@
-/// A simple static assertion macro. The first argument should be a unique
-/// ALL_CAPS identifier that describes the condition.
+/// A simple static assertion macro.
 #[macro_export]
-#[allow_internal_unstable(type_ascription)]
+#[allow_internal_unstable(type_ascription, underscore_const_names)]
 macro_rules! static_assert {
-    ($name:ident: $test:expr) => {
+    ($test:expr) => {
         // Use the bool to access an array such that if the bool is false, the access
         // is out-of-bounds.
         #[allow(dead_code)]
-        static $name: () = [()][!($test: bool) as usize];
+        const _: () = [()][!($test: bool) as usize];
     }
 }