llvm/clang/test/AST/ByteCode/extern.cpp

// RUN: %clang_cc1 -fexperimental-new-constant-interpreter -verify=both,expected %s
// RUN: %clang_cc1 -verify=both,ref %s


// both-no-diagnostics

extern const int E;
constexpr int getE() {
  return E;
}
const int E = 10;
static_assert(getE() == 10);