gcc/testsuite/g++.dg/ext/builtin5.C


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// Verify that builtin is used when declared in namespace std

// { dg-do compile }
// { dg-options "-Wall" }

namespace std {
  extern "C" int printf(const char*,...);
}

void foo() {
  std::printf("%d"); 		// { dg-warning "expects a matching" }
}