1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/template/param3.C b/gcc/testsuite/g++.dg/template/param3.C
new file mode 100644
index 000000000..0c1e70326
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/param3.C
@@ -0,0 +1,12 @@
+// PR c++/49418
+
+template <class T>
+void f (const T t)
+{
+  t = 1;			// { dg-error "" }
+}
+
+int main()
+{
+  f(1);
+}