https://gcc.gnu.org/bugzilla/show_bug.cgi?id=31158
--- Comment #5 from Martin Sebor <msebor at gcc dot gnu.org> ---
I didn't test carefully enough. The C front end does the right thing (below)
but as you noted the C++ front end does still suffer from the problem. Thanks
for double checking me!
$ /build/gcc-trunk-svn/gcc/xgcc -B /build/gcc-trunk-svn/gcc -S -Wall -Wextra
gcc-31158.c
gcc-31158.c: In function ‘main’:
gcc-31158.c:5:21: warning: overflow in implicit constant conversion
[-Woverflow]
/* 5 */ { 65536U }
^~~~~~
$ /build/gcc-trunk-svn/gcc/xgcc -B /build/gcc-trunk-svn/gcc -S -Wall -Wextra
-std=c++98 -xc++ gcc-31158.c
gcc-31158.c: In function ‘int main()’:
gcc-31158.c:6:15: warning: narrowing conversion of ‘65535u’ from ‘unsigned int’
to ‘short int’ inside { } is ill-formed in C++11 [-Wnarrowing]
/* 6 */ };
^
gcc-31158.c:6:15: warning: narrowing conversion of ‘65536u’ from ‘unsigned int’
to ‘short int’ inside { } is ill-formed in C++11 [-Wnarrowing]
gcc-31158.c:6:15: warning: overflow in implicit constant conversion
[-Woverflow]
