diff options
Diffstat (limited to 'clang/test/CXX/temp/temp.fct.spec/temp.deduct/temp.deduct.partial')
3 files changed, 84 insertions, 0 deletions
diff --git a/clang/test/CXX/temp/temp.fct.spec/temp.deduct/temp.deduct.partial/p11.cpp b/clang/test/CXX/temp/temp.fct.spec/temp.deduct/temp.deduct.partial/p11.cpp new file mode 100644 index 0000000..01155e1 --- /dev/null +++ b/clang/test/CXX/temp/temp.fct.spec/temp.deduct/temp.deduct.partial/p11.cpp @@ -0,0 +1,47 @@ +// RUN: %clang_cc1 -fsyntax-only -verify %s + +template <class T> T* f(int); // #1 +template <class T, class U> T& f(U); // #2 + +void g() { + int *ip = f<int>(1); // calls #1 +} + +template<typename T> +struct identity { + typedef T type; +}; + +template <class T> + T* f2(int, typename identity<T>::type = 0); +template <class T, class U> + T& f2(U, typename identity<T>::type = 0); + +void g2() { + int* ip = f2<int>(1); +} + +template<class T, class U> struct A { }; + +template<class T, class U> inline int *f3( U, A<U,T>* p = 0 ); // #1 expected-note{{candidate function [with T = int, U = int]}} +template< class U> inline float *f3( U, A<U,U>* p = 0 ); // #2 expected-note{{candidate function [with U = int]}} + +void g3() { + float *fp = f3<int>( 42, (A<int,int>*)0 ); // Ok, picks #2. + f3<int>( 42 ); // expected-error{{call to 'f3' is ambiguous}} + +} + +namespace PR9006 { + struct X { + template <class Get> + int &f(char const* name, Get fget, char const* docstr = 0); + + template <class Get, class Set> + float &f(char const* name, Get fget, Set fset, char const* docstr = 0); + }; + + void test(X x) { + int &ir = x.f("blah", 0, "blah"); + } +} diff --git a/clang/test/CXX/temp/temp.fct.spec/temp.deduct/temp.deduct.partial/p12.cpp b/clang/test/CXX/temp/temp.fct.spec/temp.deduct/temp.deduct.partial/p12.cpp new file mode 100644 index 0000000..b965300 --- /dev/null +++ b/clang/test/CXX/temp/temp.fct.spec/temp.deduct/temp.deduct.partial/p12.cpp @@ -0,0 +1,27 @@ +// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s + +// Note: Partial ordering of function templates containing template +// parameter packs is independent of the number of deduced arguments +// for those template parameter packs. +template<class ...> struct Tuple { }; +template<class ... Types> int &g(Tuple<Types ...>); // #1 +template<class T1, class ... Types> float &g(Tuple<T1, Types ...>); // #2 +template<class T1, class ... Types> double &g(Tuple<T1, Types& ...>); // #3 + +void test_g() { + int &ir1 = g(Tuple<>()); + float &fr1 = g(Tuple<int, float>()); + double &dr1 = g(Tuple<int, float&>()); + double &dr2 = g(Tuple<int>()); +} + +template<class ... Types> int &h(int (*)(Types ...)); // #1 +template<class T1, class ... Types> float &h(int (*)(T1, Types ...)); // #2 +template<class T1, class ... Types> double &h(int (*)(T1, Types& ...)); // #3 + +void test_h() { + int &ir1 = h((int(*)())0); + float &fr1 = h((int(*)(int, float))0); + double &dr1 = h((int(*)(int, float&))0); + double &dr2 = h((int(*)(int))0); +} diff --git a/clang/test/CXX/temp/temp.fct.spec/temp.deduct/temp.deduct.partial/p9-0x.cpp b/clang/test/CXX/temp/temp.fct.spec/temp.deduct/temp.deduct.partial/p9-0x.cpp new file mode 100644 index 0000000..f204caf --- /dev/null +++ b/clang/test/CXX/temp/temp.fct.spec/temp.deduct/temp.deduct.partial/p9-0x.cpp @@ -0,0 +1,10 @@ +// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s + +template<typename T> int &f0(T&); +template<typename T> float &f0(T&&); + +// Core issue 1164 +void test_f0(int i) { + int &ir0 = f0(i); + float &fr0 = f0(5); +} |