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-rw-r--r--gcc/rust/parse/rust-parse-impl.h1
-rw-r--r--gcc/testsuite/rust/compile/macro51.rs3
2 files changed, 4 insertions, 0 deletions
diff --git a/gcc/rust/parse/rust-parse-impl.h b/gcc/rust/parse/rust-parse-impl.h
index 67c4f6a..c48c71f 100644
--- a/gcc/rust/parse/rust-parse-impl.h
+++ b/gcc/rust/parse/rust-parse-impl.h
@@ -2081,6 +2081,7 @@ Parser<ManagedTokenSource>::parse_macro_match ()
case WHILE:
case YIELD:
case IDENTIFIER:
+ case UNDERSCORE:
// macro fragment
return parse_macro_match_fragment ();
case LEFT_PAREN:
diff --git a/gcc/testsuite/rust/compile/macro51.rs b/gcc/testsuite/rust/compile/macro51.rs
new file mode 100644
index 0000000..6659486
--- /dev/null
+++ b/gcc/testsuite/rust/compile/macro51.rs
@@ -0,0 +1,3 @@
+macro_rules! test {
+ ($_:ident) => {""}
+}