[Bug c/29970] mixing ({...}) with VLA leads to massive breakage

[muecker at gwdg dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=29970

--- Comment #15 from Martin Uecker <muecker at gwdg dot de> ---
Another version of the patch:

https://gcc.gnu.org/pipermail/gcc-patches/2021-November/583593.html