http://llvm.org/bugs/show_bug.cgi?id=19305
Bug ID: 19305
Summary: bogus unused variable warning for C++1y variable
templates
Product: clang
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: C++1y
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
This looks like a bogus -Wunused-const-variable warning:
$ cat test.cpp
#include <iostream>
template<class T>
constexpr const T pi(3.141592654);
int main(int argc, const char * argv[])
{
std::cout << pi<float> << std::endl;
return 0;
}
$ clang -std=c++1y c.cpp -Wunused-const-variable -fsyntax-only
test.cpp:4:19: warning: unused variable 'pi' [-Wunused-const-variable]
constexpr const T pi(3.141592654);
^
1 warning generated.
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