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author | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
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committer | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
commit | be1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch) | |
tree | 1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/test/CXX/basic/basic.lookup/basic.lookup.classref/p1.cpp | |
parent | c4626a62754862d20b41e8a46a3574264ea80e6d (diff) | |
parent | f1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff) |
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/test/CXX/basic/basic.lookup/basic.lookup.classref/p1.cpp')
-rw-r--r-- | clang/test/CXX/basic/basic.lookup/basic.lookup.classref/p1.cpp | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/clang/test/CXX/basic/basic.lookup/basic.lookup.classref/p1.cpp b/clang/test/CXX/basic/basic.lookup/basic.lookup.classref/p1.cpp new file mode 100644 index 0000000..c207283 --- /dev/null +++ b/clang/test/CXX/basic/basic.lookup/basic.lookup.classref/p1.cpp @@ -0,0 +1,89 @@ +// RUN: %clang_cc1 -fsyntax-only -fdiagnostics-show-option -verify %s + +// C++98 [basic.lookup.classref]p1: +// In a class member access expression (5.2.5), if the . or -> token is +// immediately followed by an identifier followed by a <, the identifier must +// be looked up to determine whether the < is the beginning of a template +// argument list (14.2) or a less-than operator. The identifier is first +// looked up in the class of the object expression. If the identifier is not +// found, it is then looked up in the context of the entire postfix-expression +// and shall name a class or function template. If the lookup in the class of +// the object expression finds a template, the name is also looked up in the +// context of the entire postfix-expression and +// -- if the name is not found, the name found in the class of the object +// expression is used, otherwise +// -- if the name is found in the context of the entire postfix-expression +// and does not name a class template, the name found in the class of the +// object expression is used, otherwise +// -- if the name found is a class template, it must refer to the same +// entity as the one found in the class of the object expression, +// otherwise the program is ill-formed. + +// From PR 7247 +template<typename T> +struct set{}; // expected-note{{lookup from the current scope refers here}} +struct Value { + template<typename T> + void set(T value) {} // expected-note{{lookup in the object type 'Value' refers here}} + + void resolves_to_same() { + Value v; + v.set<double>(3.2); + } +}; +void resolves_to_different() { + { + Value v; + // The fact that the next line is a warning rather than an error is an + // extension. + v.set<double>(3.2); // expected-warning{{lookup of 'set' in member access expression is ambiguous; using member of 'Value'}} + } + { + int set; // Non-template. + Value v; + v.set<double>(3.2); + } +} + +namespace rdar9915664 { + struct A { + template<typename T> void a(); + }; + + struct B : A { }; + + struct C : A { }; + + struct D : B, C { + A &getA() { return static_cast<B&>(*this); } + + void test_a() { + getA().a<int>(); + } + }; +} + +namespace PR11856 { + template<typename T> T end(T); + + template <typename T> + void Foo() { + T it1; + if (it1->end < it1->end) { + } + } + + template<typename T> T *end(T*); + + class X { }; + template <typename T> + void Foo2() { + T it1; + if (it1->end < it1->end) { + } + + X *x; + if (x->end < 7) { // expected-error{{no member named 'end' in 'PR11856::X'}} + } + } +} |