[Bug c/112739] Not emitting warning when using an uninitialized variable within its own initialization

[kxiang at umich dot edu via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112739

Yiming Xiang <kxiang at umich dot edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|variable 'a' is             |Not emitting warning when
                   |uninitialized when used     |using an uninitialized
                   |within its own              |variable within its own
                   |initialization              |initialization

--- Comment #1 from Yiming Xiang <kxiang at umich dot edu> ---
This piece of code doesn't emit any warning with the following command:

gcc -Wall -Werror -Wuninitialized

#include <stdio.h>

int main(){
    int a = 8;
    {
        int a = a;
        printf("%d\n", a);
    }
    printf("%d\n", a);
}

Here a is used within its own initialization, so it should emit a warning
(clang does)