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/* This test assumes -fbuiltin and not -fansi to get "index" and "memchr" builtin DECLs. */
/* { dg-do compile } */
/* { dg-options "" } */
/* The bug this is testing is that if a new decl conflicts with an
explicit decl, you don't get the "changes type of builtin" message,
but if there was *also* a builtin, you *also* don't get the
"previous declaration was here" message, leaving you with no clue
where the previous declaration came from. */
extern char foo(int,int); /* { dg-message "previous declaration of 'foo' was here" } */
extern char *index(const char *,int); /* { dg-message "previous declaration of 'index' was here" } */
/* This changes the type of "index", which is both a builtin and an
explicit decl. */
int index; /* { dg-error "redeclared as different kind of symbol" } */
/* This changes the type of "memchr", which is only a builtin. */
int memchr; /* { dg-warning "built-in function 'memchr' declared as non-function" } */
/* This changes the type of "foo", which is only an explicit decl. */
int foo; /* { dg-error "redeclared as different kind of symbol" } */
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