[Bug c++/99700] New: gcc takes an uninitialized variable as a constant expression

[hewillk at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99700

            Bug ID: 99700
           Summary: gcc takes an uninitialized variable as a constant
                    expression
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hewillk at gmail dot com
  Target Milestone: ---

https://godbolt.org/z/93qM1b

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struct A {
  constexpr A() { c[0] = 0; }
  char c[2];
};

constexpr A a;

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