http://llvm.org/bugs/show_bug.cgi?id=6490
Douglas Gregor <[email protected]> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |DUPLICATE --- Comment #2 from Douglas Gregor <[email protected]> 2010-03-04 12:08:57 CST --- (In reply to comment #1) > I don't think this is a bug. > > sizeof returns size_t, which is an unsigned integral type, so sizeof(char)-2 > gives an unsigned result, meaning the bug summary is wrong. > > The displayed result is perfectly reasonable too. size_t(-1) * 4, thanks to > twos-complement, gives the same bit pattern as size_t(-1 * 4), and since you > omitted the unsigned modifier on the format to printf, you're printing > int(size_t(-4)), giving -4. Right, the argument is unsigned, not negative. There is a bugg here, which is that we're not diagnosing array overflow, which is here: http://llvm.org/bugs/show_bug.cgi?id=1889 *** This bug has been marked as a duplicate of bug 1889 *** -- Configure bugmail: http://llvm.org/bugs/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug. _______________________________________________ LLVMbugs mailing list [email protected] http://lists.cs.uiuc.edu/mailman/listinfo/llvmbugs
