-Wconversion changes from 4.1 to 4.3

[Ian Lance Taylor]

Jan Engelhardt <jengelh@medozas.de> writes:

> in gcc 4.1, the following sample throws a warning:
>
> /* gcc-4.1 -c test.c -Wall -Wconversion */
> #include <stdbool.h>
>
> static int a(bool b)
> {
>         return b ? 1 : 0;
> }
>
> int main(void)
> {
>         return a(true);
> }
>
> test.c:10: warning: passing argument 1 of ‘a’ with different width due 
> to prototype
>
> In gcc-4.3 however, that warning is gone. Where could I read more about 
> this change?

The warning was moved from -Wconversion to -Wtraditional-conversion.
This was documented at http://gcc.gnu.org/gcc-4.3/changes.html .

Ian