?? bug4.c
字號:
int foo(){ char c; return (c ^ 30 ) > (c ^ 40 );/* these also get the signal : return (c ^ 30 ) == (c ^ 40 ); return ((int)c ^ 30 ) > (c ^ 40 ); also fails if c is "extern char" these are ok : return (c + 30 ) > (c ^ 40 ); return (c ^ 30 ) > (c + 40 ); return (c ^ 30 ) + (c ^ 40 ); return ('a' ^ 30 ) > (c ^ 40 ); return (c ^ 40 ); return (c ^ 30 ) > (c ^ 40 );*/}
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