1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/template/crash57.C b/gcc/testsuite/g++.dg/template/crash57.C
new file mode 100644
index 000000000..cf1c3c296
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/crash57.C
@@ -0,0 +1,10 @@
+//PR c++/27397
+
+template<int(> struct A;        // { dg-error "token" }
+
+template<typename> struct B
+{
+    template<int(> struct C;    // { dg-error "token" }
+};
+
+A<char> a;                      // { dg-error "type/value mismatch|constant|declaration" }