1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/template/crash39.C b/gcc/testsuite/g++.dg/template/crash39.C
new file mode 100644
index 000000000..ddecc173c
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/crash39.C
@@ -0,0 +1,11 @@
+// PR c++/22405
+
+template <typename T> void foo(T &arg) { // { dg-error "declared" }
+  arg+=1;
+}
+
+template <typename T> void foo(T &arg) { // { dg-error "redefinition" }
+  arg+=2;
+}
+
+template void foo(float &arg);