[Mesa-dev] [PATCH] glsl/glcpp: fix SIGSEGV when checking error condition for macro redefinition

[Emil Velikov]

On 23 July 2015 at 10:19, Samuel Iglesias Gonsalvez
<siglesias at igalia.com> wrote:
> Commit a6e9cd14c does not take into account than node_{a,b}->next could be NULL
> in some circumstances, such as in a shader containing this code:
>
>   #define A 1 /* comment */
>   #define A 1 /* comment */
>
> This patch fixes the segmentation fault for cases like that.
>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=91290
This seems to have been broken since ~10.3. Can you add the Cc: mesa-stable tag.

Thanks
Emil