[llvm-bugs] [Bug 37867] New: declaration conflicts with target of using declaration already in scope
via llvm-bugs
llvm-bugs at lists.llvm.org
Tue Jun 19 23:09:20 PDT 2018
https://bugs.llvm.org/show_bug.cgi?id=37867
Bug ID: 37867
Summary: declaration conflicts with target of using declaration
already in scope
Product: clang
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: C++
Assignee: unassignedclangbugs at nondot.org
Reporter: zhonghao at pku.org.cn
CC: dgregor at apple.com, llvm-bugs at lists.llvm.org
The code is as follow:
namespace Name {
template <class T> class Point;
}
using Name::Point;
template <class T> class Point {
public:
Point() {}
protected:
T member;
};
int main(void) {
Name::Point<double> d;
return(0);
}
clang++ rejects the code with error messages:
error: declaration conflicts with target of using declaration already in scope
template <class T> class Point {
error: implicit instantiation of undefined template 'Name::Point<double>'
Name::Point<double> d;
g++ accepts the code. The code comes from a gcc bug report:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=1876
Is this a bug in clang++?
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