SUSE-SU-2023:3686-1 Security update for gcc7

This update for gcc7 fixes the following issues: Security issue fixed: - CVE-2023-4039: Fixed incorrect stack protector for C99 VLAs on Aarch64 bsc1214052. Other fixes: - Fixed KASAN kernel compile. bsc1205145 - Fixed ICE with C++17 code as reported in bsc1204505 - Fixed altivec.h redefining bool...