Some semantic tests for implicit instantiations

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73924 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/SemaTemplate/implicit-instantiation-1.cpp b/test/SemaTemplate/implicit-instantiation-1.cpp
new file mode 100644 (file)
index 0000000..eecaf2f
--- /dev/null
+++ b/test/SemaTemplate/implicit-instantiation-1.cpp
@@ -0,0 +1,16 @@
+// RUN: clang-cc -fsyntax-only -verify %s
+
+template<typename T, typename U>
+struct X {
+  T f(T x, U y) { return x + y; }
+
+  unsigned g(T x, U y) { return sizeof(f(x, y)); }
+};
+
+void test(X<int, int> *xii, X<int*, int> *xpi, X<int, int*> *xip) {
+  (void)xii->f(1, 2);
+  (void)xpi->f(0, 2);
+  (void)sizeof(xip->f(2, 0)); // okay: does not instantiate
+  (void)xip->g(2, 0); // okay: does not instantiate
+}
+