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-rw-r--r--tests/ui/macros/concat-bytes-error.rs7
1 files changed, 4 insertions, 3 deletions
diff --git a/tests/ui/macros/concat-bytes-error.rs b/tests/ui/macros/concat-bytes-error.rs
index f7f291f446f..8130fc54d8d 100644
--- a/tests/ui/macros/concat-bytes-error.rs
+++ b/tests/ui/macros/concat-bytes-error.rs
@@ -15,9 +15,10 @@ fn main() {
     //~^ SUGGESTION br"tnrsi"
     concat_bytes!(r#"tnrsi"#, r###"tnri"###); //~ ERROR cannot concatenate string literals
     //~^ SUGGESTION br#"tnrsi"#
-    concat_bytes!(c"tnrsi", c"tnri"); //~ ERROR  cannot concatenate a C string literal
-    concat_bytes!(cr"tnrsi", cr"tnri"); //~ ERROR  cannot concatenate a C string literal
-    concat_bytes!(cr#"tnrsi"#, cr###"tnri"###); //~ ERROR  cannot concatenate a C string literal
+    concat_bytes!(c"tnrsi", c"tnri"); //~ ERROR cannot concatenate C string literals
+    //~^ SUGGESTION b"tnrsi\0"
+    concat_bytes!(cr"tnrsi", cr"tnri"); //~ ERROR cannot concatenate C string literals
+    concat_bytes!(cr#"tnrsi"#, cr###"tnri"###); //~ ERROR cannot concatenate C string literals
 
     // Other literals
     concat_bytes!(2.8); //~ ERROR cannot concatenate float literals