[llvm-bugs] [Bug 41228] New: nested template issue

via llvm-bugs llvm-bugs at lists.llvm.org
Mon Mar 25 17:41:28 PDT 2019


https://bugs.llvm.org/show_bug.cgi?id=41228

            Bug ID: 41228
           Summary: nested template issue
           Product: clang
           Version: 8.0
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: Frontend
          Assignee: unassignedclangbugs at nondot.org
          Reporter: ankur.dedev at tuta.io
                CC: llvm-bugs at lists.llvm.org, neeilans at live.com,
                    richard-llvm at metafoo.co.uk

The code below fails to compile in Clang 8.0.0, the following Stack Overflow
answers https://stackoverflow.com/a/55334872/9363849 suggests that it might not
be the intended behavior.


template<typename FOO>
struct Foo
{
  using Value = int;

  template<Value VALUE>
  struct Bar;
};

template<typename FOO>
template<typename Foo<FOO>::Value VALUE>
struct Foo<FOO>::Bar { static void test(); };

template<typename FOO>
template<typename Foo<FOO>::Value VALUE>
void Foo<FOO>::Bar<VALUE>::test() {}

int main() { return 0; }

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