1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp0x/pr53792.C b/gcc/testsuite/g++.dg/cpp0x/pr53792.C
new file mode 100644
index 00000000000..deb5c1abd8b
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/pr53792.C
@@ -0,0 +1,29 @@
+// PR c++/53792
+// { dg-do compile { target c++11 } }
+// { dg-options "-O2 -fdump-tree-optimized" }
+// { dg-final { scan-tree-dump "return 0" "optimized" } }
+
+struct entry {
+  char const* label;
+  int         value;
+};
+
+constexpr bool same(char const *x, char const *y) {
+  return !*x && !*y ? true
+    : /* default */    (*x == *y && same(x+1, y+1));
+}
+
+constexpr int keyToValue(char const *label, entry const *entries) {
+  return !entries->label ? entries->value
+       : same(entries->label, label) ? entries->value
+       : /*default*/                   keyToValue(label, entries+1);
+}
+
+constexpr entry foo[] = {{"Foo", 0}, {"Bar", 1}, {"FooBar", 2}, {0, -1}};
+
+int
+bar()
+{
+  int result = keyToValue("Foo", foo);
+  return result;
+}