1 files changed, 40 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/dfp/mangle-1.C b/gcc/testsuite/g++.dg/dfp/mangle-1.C
new file mode 100644
index 000000000..455d3e4c0
--- /dev/null
+++ b/gcc/testsuite/g++.dg/dfp/mangle-1.C
@@ -0,0 +1,40 @@
+// { dg-do compile }
+
+// Mangling of classes from std::decimal are special-cased.
+// Derived from g++.dg/abi/mangle13.C.
+
+namespace std {
+  namespace decimal {
+    class decimal64 {
+      public:
+	typedef float __decfloat64 __attribute__ ((mode (DD)));
+	explicit decimal64 (float __r):__val (__r) {}
+      private:
+	__decfloat64 __val;
+    };
+  }
+}
+
+struct A {
+  template <typename T> std::decimal::decimal64 f ();
+  std::decimal::decimal64 operator+();
+  operator std::decimal::decimal64 ();
+  template <typename T>
+  std::decimal::decimal64 operator-();
+};
+
+typedef std::decimal::decimal64 (A::*P)();
+
+template <P> struct S {};
+
+template <typename T> void g (S<&T::template f<std::decimal::decimal64> >) {}
+template <typename T> void g (S<&T::operator+ >) {}
+template <typename T> void g (S<&T::operator std::decimal::decimal64>) {}
+template <typename T> void g (S<&T::template operator- <std::decimal::decimal64> >) {}
+
+template void g<A> (S<&A::f<std::decimal::decimal64> >);
+template void g<A> (S<&A::operator+>);
+template void g<A> (S<&A::operator std::decimal::decimal64>);
+
+// { dg-final { scan-assembler "\n?_Z1gI1AEv1SIXadsrT_1fIDdEEE\[: \t\n\]" } }
+// { dg-final { scan-assembler "\n?_Z1gI1AEv1SIXadsrT_plEE\[: \t\n\]" } }