1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/template/recurse.C b/gcc/testsuite/g++.dg/template/recurse.C
new file mode 100644
index 000000000..448c34721
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/recurse.C
@@ -0,0 +1,27 @@
+// Test for handling of excessive template recursion.
+// { dg-options "-ftemplate-depth-50 -O" }
+
+template <int I> struct F
+{
+  int operator()()
+    {
+      F<I+1> f;			// { dg-error "incomplete type" "incomplete" }
+				// { dg-bogus "exceeds maximum.*exceeds maximum" "exceeds" { xfail *-*-* } 8 }
+                                // { dg-error "exceeds maximum" "exceeds" { xfail *-*-* } 8 }
+      return f()*I;             // { dg-message "recursively instantiated" "recurse" }
+    }
+};
+
+template <> struct F<52>
+{
+  int operator()() { return 0; }
+};
+
+int main ()
+{
+  F<1> f;
+  return f();		// { dg-message "instantiated from here" "excessive recursion" }
+}
+
+// Ignore excess messages from recursion.
+// { dg-prune-output "instantiated from 'int" }