[llvm-bugs] [Bug 25573] New: compiler error when accessing a static constexpr value of struct

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=25573

            Bug ID: 25573
           Summary: compiler error when accessing a static constexpr value
                    of struct
           Product: clang
           Version: 3.7
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++11
          Assignee: unassignedclangbugs at nondot.org
          Reporter: ytj000 at gmail.com
                CC: dgregor at apple.com, llvm-bugs at lists.llvm.org
    Classification: Unclassified

// The following code compiles in gcc (http://goo.gl/gFGc9K), but not clang
(http://goo.gl/woxdi1).
#include <type_traits>
template<class T> struct Foo { Foo(T = nullptr) {} };
using U = std::is_constructible<Foo<int>>;
bool b = U::value;  // If we remove this line, it compiles in both gcc and
clang. 
                    // However the value of `b` is true, which is
counterintuitive.
int main() {}

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