1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/other/default4.C b/gcc/testsuite/g++.dg/other/default4.C
new file mode 100644
index 000000000..599480984
--- /dev/null
+++ b/gcc/testsuite/g++.dg/other/default4.C
@@ -0,0 +1,29 @@
+// PR c++/15759
+// Origin:   Lars Rune Nøstdal  <larsnostdal@gmail.com>
+// Testcase: Volker Reichelt    <reichelt@igpm.rwth-aachen.de>
+
+// { dg-do run }
+
+extern "C" void abort();
+
+int n = 0;
+
+int f() { return ++n; }
+
+int(&foo1)() = f;
+int(*foo2)() = &f;
+int(*foo3)() = f;
+
+int bar1(int i = foo1()) { return i; }
+int bar2(int i = foo2()) { return i; }
+int bar3(int i = foo3()) { return i; }
+int bar4(int i = f())    { return i; }
+
+int main()
+{
+  if (bar1() != 1) abort();
+  if (bar2() != 2) abort();
+  if (bar3() != 3) abort();
+  if (bar4() != 4) abort();
+  return 0;
+}