1 files changed, 122 insertions, 0 deletions
diff --git a/test/SemaCXX/overloaded-builtin-operators.cpp b/test/SemaCXX/overloaded-builtin-operators.cpp
new file mode 100644
index 0000000..2a6c24a
--- /dev/null
+++ b/test/SemaCXX/overloaded-builtin-operators.cpp
@@ -0,0 +1,122 @@
+// RUN: clang-cc -fsyntax-only -verify %s 
+struct yes;
+struct no;
+
+struct Short {
+  operator short();
+};
+
+struct Long {
+  operator long();
+};
+
+enum E1 { };
+struct Enum1 {
+  operator E1();
+};
+
+enum E2 { };
+struct Enum2 {
+  operator E2();
+};
+
+yes& islong(long);
+yes& islong(unsigned long); // FIXME: shouldn't be needed
+no& islong(int);
+
+void f(Short s, Long l, Enum1 e1, Enum2 e2) {
+  // C++ [over.built]p8
+  int i1 = +e1;
+  int i2 = -e2;
+
+  // C++  [over.built]p10:
+  int i3 = ~s;
+  bool b1 = !s;
+
+  // C++ [over.built]p12
+  (void)static_cast<yes&>(islong(s + l));
+  (void)static_cast<no&>(islong(s + s));
+
+  // C++ [over.built]p17
+  (void)static_cast<yes&>(islong(s % l));
+  (void)static_cast<yes&>(islong(l << s));
+  (void)static_cast<no&>(islong(s << l));
+  (void)static_cast<yes&>(islong(e1 % l));
+  // FIXME: should pass (void)static_cast<no&>(islong(e1 % e2));
+}
+
+struct ShortRef {
+  operator short&();
+};
+
+struct LongRef {
+  operator volatile long&();
+};
+
+void g(ShortRef sr, LongRef lr) {
+  // C++ [over.built]p3
+  short s1 = sr++;
+
+  // C++ [over.built]p3
+  long l1 = lr--;
+
+  // C++ [over.built]p18
+  short& sr1 = (sr *= lr);
+  volatile long& lr1 = (lr *= sr);
+
+  // C++ [over.built]p22
+  short& sr2 = (sr %= lr);
+  volatile long& lr2 = (lr <<= sr);
+
+  bool b1 = (sr && lr) || (sr || lr);
+}
+
+struct VolatileIntPtr {
+  operator int volatile *();
+};
+
+struct ConstIntPtr {
+  operator int const *();
+};
+
+struct VolatileIntPtrRef {
+  operator int volatile *&();
+};
+
+struct ConstIntPtrRef {
+  operator int const *&();
+};
+
+void test_with_ptrs(VolatileIntPtr vip, ConstIntPtr cip, ShortRef sr,
+                    VolatileIntPtrRef vipr, ConstIntPtrRef cipr) {
+  const int& cir1 = cip[sr];
+  const int& cir2 = sr[cip];
+  volatile int& vir1 = vip[sr];
+  volatile int& vir2 = sr[vip];
+  bool b1 = (vip == cip);
+  long p1 = vip - cip;
+
+  // C++ [over.built]p5:
+  int volatile *vip1 = vipr++;
+  int const *cip1 = cipr++;
+  int volatile *&vipr1 = ++vipr;
+  int const *&cipr1 = --cipr;
+
+  // C++ [over.built]p6:
+  int volatile &ivr = *vip;
+
+  // C++ [over.built]p8:
+  int volatile *vip2 = +vip;
+  int i1 = +sr;
+  int i2 = -sr;
+
+  // C++ [over.built]p13:
+  int volatile &ivr2 = vip[17];
+  int const &icr2 = 17[cip];
+}
+
+// C++ [over.match.open]p4
+
+void test_assign_restrictions(ShortRef& sr) {
+  sr = (short)0; // expected-error{{no viable overloaded '='}}
+}