| /* Test for multiple declarations and composite types, with built-in |
| functions. */ |
| /* Origin: Joseph Myers <jsm@polyomino.org.uk> */ |
| /* { dg-do compile } */ |
| /* { dg-options "-std=c89 -Wformat -g" } */ |
| |
| void |
| f (void) |
| { |
| int printf; |
| int strcmp; |
| { |
| int printf (const char *, ...); |
| int strcmp (); |
| /* Should get format warnings even though the built-in declaration |
| isn't "visible". */ |
| printf ( |
| "%s", 1); /* { dg-warning "15:format" } */ |
| /* The type of strcmp here should have no prototype. */ |
| if (0) |
| strcmp (1); |
| /* Likewise, implicitly declared memcmp. */ |
| if (0) |
| memcmp (1); |
| } |
| } |
| |
| /* Should still diagnose incompatible prototype for strcmp. */ |
| int strcmp (void); /* { dg-error "conflict" } */ |
| |
| /* { dg-prune-output "\\\[-Wbuiltin-declaration-mismatch]" } |
| { dg-prune-output "\\\[-Wint-conversion]" } */ |
