Add support for calls to overloaded member functions. Things to note:

  - Overloading has to cope with having both static and non-static
    member functions in the overload set.
  - The call may or may not have an implicit object argument,
    depending on the syntax (x.f() vs. f()) and the context (static
    vs. non-static member function).
  - We now generate MemberExprs for implicit member access expression.
  - We now cope with mutable whenever we're building MemberExprs.

llvm-svn: 61329

1 files changed, 39 insertions, 0 deletions

diff --git a/clang/test/SemaCXX/overload-member-call.cpp b/clang/test/SemaCXX/overload-member-call.cpp
new file mode 100644
index 00000000000..9c0117f9b14
--- /dev/null
+++ b/clang/test/SemaCXX/overload-member-call.cpp
@@ -0,0 +1,39 @@
+// RUN: clang -fsyntax-only -verify %s
+
+struct X {
+  int& f(int) const; // expected-note{{candidate function}}
+  float& f(int); // expected-note{{candidate function}}
+
+  void test_f(int x) const {
+    int& i = f(x);
+  }
+
+  void test_f2(int x) {
+    float& f2 = f(x);
+  }
+
+  int& g(int) const; // expected-note{{candidate function}}
+  float& g(int); // expected-note{{candidate function}}
+  static double& g(double); // expected-note{{candidate function}}
+
+  void h(int);
+};
+
+void test(X x, const X xc, X* xp, const X* xcp, volatile X xv, volatile X* xvp) {
+  int& i1 = xc.f(0);
+  int& i2 = xcp->f(0);
+  float& f1 = x.f(0);
+  float& f2 = xp->f(0);
+  xv.f(0); // expected-error{{no matching member function for call to 'f'; candidates are:}}
+  xvp->f(0); // expected-error{{no matching member function for call to 'f'; candidates are:}}
+
+  int& i3 = xc.g(0);
+  int& i4 = xcp->g(0);
+  float& f3 = x.g(0);
+  float& f4 = xp->g(0);
+  double& d1 = xp->g(0.0);
+  double& d2 = X::g(0.0);
+  X::g(0); // expected-error{{call to 'g' is ambiguous; candidates are:}}
+  
+  X::h(0); // expected-error{{call to non-static member function without an object argument}}
+}