[cfe-dev] Why this extern "C" fails ?

[Arji Cot]

--------------

#include <iostream>

int main() {
  {
    extern "C" { int a = 42; }
    { std::cout << a << "\n"; }
  }
  return (0);
}

--------------

this code fails to compile and the compiler message alone

main.cpp:5:12: error: expected unqualified-id
    extern "C" { int a = 42; }
           ^
1 error generated.

It's not enough to me to explain why this is not working.

There is something that I'm missing ?
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