// 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' [-Wambiguous-member-template]}} } { int set; // Non-template. Value v; v.set<double>(3.2); } }