1 // PR c++/78948
2 // { dg-options -std=c++17 }
3 
4 template <int T>
sizeof_mismatch()5 void sizeof_mismatch()
6 {
7     static_assert(T == 0, "sizeof mismatch");
8 }
9 
main()10 int main()
11 {
12   if constexpr(sizeof(int*) == sizeof(char*))
13     ;
14   else
15     sizeof_mismatch<sizeof(int*)>();
16 }
17