[llvm-bugs] [Bug 49756] New: Clang accepts constraints not satisfied variable

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=49756

            Bug ID: 49756
           Summary: Clang accepts constraints not satisfied variable
           Product: clang
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: C++2a
          Assignee: unassignedclangbugs at nondot.org
          Reporter: hewillk at gmail.com
                CC: blitzrakete at gmail.com, erik.pilkington at gmail.com,
                    llvm-bugs at lists.llvm.org, richard-llvm at metafoo.co.uk

https://godbolt.org/z/EG5Psjfo7

clang accepts:

template <typename...> concept C = false;

template <typename... Ts>
auto bar(Ts...) { C<Ts...> auto x = 0; }

int main() {
  bar(0, 0.5);
}

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