From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001
From: "Zancanaro; Carlo" <czan8762@plang3.cs.usyd.edu.au>
Date: Mon, 24 Sep 2012 09:58:17 +1000
Subject: Add the clang library to the repo (with some of my changes, too).

---
 .../function-template-specialization.cpp           | 48 ++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 clang/test/SemaTemplate/function-template-specialization.cpp

(limited to 'clang/test/SemaTemplate/function-template-specialization.cpp')

diff --git a/clang/test/SemaTemplate/function-template-specialization.cpp b/clang/test/SemaTemplate/function-template-specialization.cpp
new file mode 100644
index 0000000..a0d41b2
--- /dev/null
+++ b/clang/test/SemaTemplate/function-template-specialization.cpp
@@ -0,0 +1,48 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+template<int N> void f0(int (&array)[N]);
+
+// Simple function template specialization (using overloading)
+template<> void f0(int (&array)[1]);
+
+void test_f0() {
+  int iarr1[1];
+  f0(iarr1);
+}
+
+// Function template specialization where there are no matches
+template<> void f0(char (&array)[1]); // expected-error{{no function template matches}}
+template<> void f0<2>(int (&array)[2]) { }
+
+// Function template specialization that requires partial ordering
+template<typename T, int N> void f1(T (&array)[N]); // expected-note{{matches}}
+template<int N> void f1(int (&array)[N]); // expected-note{{matches}}
+
+template<> void f1(float (&array)[1]);
+template<> void f1(int (&array)[1]);
+
+// Function template specialization that results in an ambiguity
+template<typename T> void f1(T (&array)[17]); // expected-note{{matches}}
+template<> void f1(int (&array)[17]); // expected-error{{ambiguous}}
+
+// Resolving that ambiguity with explicitly-specified template arguments.
+template<int N> void f2(double (&array)[N]);
+template<typename T> void f2(T (&array)[42]);
+
+template<> void f2<double>(double (&array)[42]);
+template<> void f2<42>(double (&array)[42]);
+
+void f2<25>(double (&array)[25]); // expected-error{{specialization}} 
+
+// PR5833
+namespace PR5833 {
+  template <typename T> bool f0(T &t1);
+  template <> bool f0<float>(float &t1);
+}
+template <> bool PR5833::f0<float>(float &t1) {}
+
+// PR8295
+namespace PR8295 {
+  template <typename T> void f(T t) {}
+  template <typename T> void f<T*>(T* t) {} // expected-error{{function template partial specialization is not allowed}}
+}
-- 
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