/usr/bin/arm-none-eabi-gcc is in gcc-arm-none-eabi 4.8.4-1+11-1.
This file is owned by root:root, with mode 0o755.
It is a symlink to /usr/bin/./usr/bin/arm-none-eabi-gcc-4.8
/usr/bin/./usr/bin/arm-none-eabi-gcc-4.8