[llvm-bugs] [Bug 49844] New: Clang accepts constraints not satisfied void return type

via llvm-bugs llvm-bugs at lists.llvm.org
Mon Apr 5 10:50:40 PDT 2021


https://bugs.llvm.org/show_bug.cgi?id=49844

            Bug ID: 49844
           Summary: Clang accepts constraints not satisfied void return
                    type
           Product: clang
           Version: 11.0
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: C++2b
          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/YET98jcEW

template <class> concept C = false;

int main() {
  []() -> C auto {}();
}

clang accepts it.

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