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authorMara Bos <m-ou.se@m-ou.se>2021-02-14 20:03:13 +0100
committerMara Bos <m-ou.se@m-ou.se>2021-02-14 20:03:13 +0100
commitdaa371d1891f6833ad08542caeb3cf424483a0f9 (patch)
tree999e04b6281c2ba5622359638adfd58b0fe8ead1 /library/alloc/src/macros.rs
parent2a0c42450ec34f2c4b3985c159c499560f1c8270 (diff)
downloadrust-daa371d1891f6833ad08542caeb3cf424483a0f9.tar.gz
rust-daa371d1891f6833ad08542caeb3cf424483a0f9.zip
Only define rustc_diagnostic_item format_macro in not(test).
Diffstat (limited to 'library/alloc/src/macros.rs')
-rw-r--r--library/alloc/src/macros.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/library/alloc/src/macros.rs b/library/alloc/src/macros.rs
index 88a6cec3a83..6a64587a223 100644
--- a/library/alloc/src/macros.rs
+++ b/library/alloc/src/macros.rs
@@ -107,7 +107,7 @@ macro_rules! vec {
 /// ```
 #[macro_export]
 #[stable(feature = "rust1", since = "1.0.0")]
-#[rustc_diagnostic_item = "format_macro"]
+#[cfg_attr(not(test), rustc_diagnostic_item = "format_macro")]
 macro_rules! format {
     ($($arg:tt)*) => {{
         let res = $crate::fmt::format($crate::__export::format_args!($($arg)*));