Comments (3)
This was valid C++, relying on implicit conversion to double.
I don't know that we need to be clear of all possible warnings on all possible
compilers.
-Wconversion is not included in -Wall or -Wextra because it triggers so often
on safe code.
https://gcc.gnu.org/wiki/NewWconversion#Frequently_Asked_Questions
"Implicit conversions are very common in C. This tied with the fact that there
is no data-flow in front-ends (see next question) results in hard to avoid
warnings for perfectly working and valid code. Wconversion is designed for a
niche of uses (security audits, porting 32 bit code to 64 bit, etc.) where the
programmer is willing to accept and workaround invalid warnings. Therefore, it
shouldn't be enabled if it is not explicitly requested."
Original comment by [email protected]
on 7 Mar 2015 at 4:05
from googlemock.
Understood. But do you think the patch I suggested would be wrong ? If not,
wouldn't it be ok to include it and make life easier for those that do use the
compiler option during 32-bit to 64-bit port ?
Original comment by [email protected]
on 7 Mar 2015 at 4:11
from googlemock.
If you're using that compiler option, it is emitting warnings, not errors.
There are indeed 64-bit values of 'ms', representing intervals of about 150k+
years, for which the conversion to double will be lossy. The printing of those
intervals will be similarly lossy, as stringstream will print only 6 places of
precision by default. So the change i correct.
I don't want to commit to keeping gtest free of such warnings, though.
Original comment by [email protected]
on 7 Mar 2015 at 7:19
from googlemock.
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