3 files changed, 13 insertions, 0 deletions
diff --git a/src/test/ui/parser/macro/issue-37113.stderr b/src/test/ui/parser/macro/issue-37113.stderr
index b1f8674fb..da9e743a0 100644
--- a/src/test/ui/parser/macro/issue-37113.stderr
+++ b/src/test/ui/parser/macro/issue-37113.stderr
@@ -9,6 +9,7 @@ LL |             $( $t, )*
 LL |     test_macro!(String,);
    |     -------------------- in this macro invocation
    |
+   = help: enum variants can be `Variant`, `Variant = <integer>`, `Variant(Type, ..., TypeN)` or `Variant { fields: Types }`
    = note: this error originates in the macro `test_macro` (in Nightly builds, run with -Z macro-backtrace for more info)
 
 error: aborting due to previous error
diff --git a/src/test/ui/parser/macro/macro-doc-comments-1.stderr b/src/test/ui/parser/macro/macro-doc-comments-1.stderr
index 0ebf3d52b..eaeb62d2c 100644
--- a/src/test/ui/parser/macro/macro-doc-comments-1.stderr
+++ b/src/test/ui/parser/macro/macro-doc-comments-1.stderr
@@ -9,6 +9,12 @@ LL |     //! Inner
    |     |
    |     no rules expected this token in macro call
    |     inner doc comments expand to `#![doc = "..."]`, which is what this macro attempted to match
+   |
+note: while trying to match `[`
+  --> $DIR/macro-doc-comments-1.rs:2:7
+   |
+LL |     (#[$outer:meta]) => ()
+   |       ^
 
 error: aborting due to previous error
 
diff --git a/src/test/ui/parser/macro/macro-doc-comments-2.stderr b/src/test/ui/parser/macro/macro-doc-comments-2.stderr
index 346d86586..1dcd95f6f 100644
--- a/src/test/ui/parser/macro/macro-doc-comments-2.stderr
+++ b/src/test/ui/parser/macro/macro-doc-comments-2.stderr
@@ -9,6 +9,12 @@ LL |     /// Outer
    |     |
    |     no rules expected this token in macro call
    |     outer doc comments expand to `#[doc = "..."]`, which is what this macro attempted to match
+   |
+note: while trying to match `!`
+  --> $DIR/macro-doc-comments-2.rs:2:7
+   |
+LL |     (#![$inner:meta]) => ()
+   |       ^
 
 error: aborting due to previous error