Add __builtion_unreachable to vector::size(), vector::capacity()

[official-gcc.git] / gcc / testsuite / g++.dg / cpp1y / auto-fn37.C

// PR c++/80145
// { dg-do compile { target c++14 } }

auto* foo() { return 0; }  // { dg-error "unable to deduce" }
auto* foo();