--- Comment #5 from manu at gcc dot gnu dot org 2007-05-11 11:38 ---
(In reply to comment #4)
So obviously it knows, at the level of the code generator, it's just a
question
of propagating that information back to the frontend.
I wrote: yes, as far as GCC knows when it emits the
--- Comment #3 from manu at gcc dot gnu dot org 2007-05-10 15:50 ---
(In reply to comment #2)
So are you saying that it is the case that the f() function below might return
without a value? Since that is what the warning suggests.
assert() does not return a value and it is the last .
--- Comment #4 from lloyd at randombit dot net 2007-05-10 17:51 ---
Manuel,
For your example code, GCC _is_ aware that the function always returns, since
the code it generates for it (with optimization) is:
f:
movl%edi, %eax
ret
So obviously it knows, at the level
--- Comment #1 from pinskia at gcc dot gnu dot org 2007-05-09 22:07 ---
We should get the same warning while compiling with optimizations and while
compiling without so I don't think this is a bug.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31878
--- Comment #2 from lloyd at randombit dot net 2007-05-09 22:16 ---
So are you saying that it is the case that the f() function below might return
without a value? Since that is what the warning suggests.
(My interpretation re the optimizer may be completely off, I don't know GCC
