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111
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1 /* This test assumes -fbuiltin and not -fansi to get "index" and "memchr" builtin DECLs. */
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2 /* { dg-do compile } */
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3 /* { dg-options "" } */
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4
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5 /* The bug this is testing is that if a new decl conflicts with an
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6 explicit decl, you don't get the "changes type of builtin" message,
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7 but if there was *also* a builtin, you *also* don't get the
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8 "previous declaration was here" message, leaving you with no clue
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9 where the previous declaration came from. */
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10
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11 extern char foo(int,int); /* { dg-message "previous declaration of 'foo' was here" } */
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12 extern char *index(const char *,int); /* { dg-message "previous declaration of 'index' was here" } */
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13
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14 /* This changes the type of "index", which is both a builtin and an
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15 explicit decl. */
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16 int index; /* { dg-error "redeclared as different kind of symbol" } */
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17
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18 /* This changes the type of "memchr", which is only a builtin. */
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19 int memchr; /* { dg-warning "built-in function 'memchr' declared as non-function" } */
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20
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21 /* This changes the type of "foo", which is only an explicit decl. */
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22 int foo; /* { dg-error "redeclared as different kind of symbol" } */
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