Update of bug #34608 (project make):
Status: None => Not A Bug
Open/Closed: Open => Closed
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Follow-up Comment #1:
It turns out that this warning is actually intentional. If you follow this
through you'll see it ends up in an invocation of this macro:
/* Nonzero if the integer type T is signed. */
#define INTEGER_TYPE_SIGNED(t) ((t) -1 < 0)
The idea is to determine whether a type is signed or not, and to do this we
cast a negative number to the type and see if it's still negative (less than
0). If it is then the type is signed; if not, not.
For systems where the type we pass in is actually unsigned (in this case
uintmax_t) you'll get this warning. However the behavior of the program is
exactly what we expect and want.
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