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// Test that "nonnull" attribute works for C++.

// Origin: Joseph Myers 

// { dg-do compile }

// { dg-options "-Wall" }

// The "nonnull" attribute is thoroughly tested for C, so here we

// simply test that it works at all, as at one point the relevant

// checking code was only called for C.

extern void f (char *) __attribute__((nonnull));

void

g ()

{

  f (0); // { dg-warning "null" "null argument" }

}