On 14 April 2014 11:24, Andrew Haley <aph@xxxxxxxxxx> wrote:
> [Redirect to gcc-help. The gcc list is for the development of GCC.]
>
> On 04/14/2014 10:11 AM, Yves Mocquard wrote:
>> long long fct()
>> {
>> return 0x123456789;
>> }
>> int main()
>> {
>> int a = fct();
>> cerr << a << endl;
>> }
>
> `-Wconversion' is the warning you want. This warning is not enabled
> by default because it produces too many warnings on good code.
There are a couple of bugs that if fixed will significantly reduce the
noise of -Wconversion.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38522
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40752
Cheers,
Manuel.
