http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52954
--- Comment #1 from davidxl <xinliangli at gmail dot com> 2012-04-12 21:56:07
UTC ---
Another example:
constexpr int arr_size = 42;
constexpr int N = 44;
void f(int);
int test() {
int arr[arr_size];
// ...
f(arr[N]);
// ...
if (N < arr_size) return arr[N];
return 0;
}
/*
deadcode.cpp:7:5: warning: array index 44 is past the end of the array
(which contains 42 elements) [-Warray-bounds]
f(arr[N]);
^ ~
deadcode.cpp:5:3: note: array 'arr' declared here
int arr[arr_size];
^
1 warning generated.
*/
