[llvm-bugs] [Bug 43741] New: Regression: -Wmissing-variable-declarations for variable template specialization

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=43741

            Bug ID: 43741
           Summary: Regression: -Wmissing-variable-declarations for
                    variable template specialization
           Product: new-bugs
           Version: 9.0
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: andreas.zapf at ableton.com
                CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org

The following code triggers -Wmissing-variable-declarations in clang 9:

template<typename T>
constexpr bool is_int = false;

template<>
constexpr bool is_int<int> = true;

It compiles without warnings with clang 8.

See also https://godbolt.org/z/Y_eCbP

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