Comment 4 for bug 1810274

An alternative source for high quality gnu gcc embedded arm compiler packages is: gnu-mcu-eclipse

His (https://github.com/ilg-ul) build based on the sources of 8-2018-q4-major does not have the problem and is a drop in replacement of the 'official' ARM build

https://gnu-mcu-eclipse.github.io/toolchain/arm/
https://gnu-mcu-eclipse.github.io/blog/2019/01/03/arm-none-eabi-gcc-v8-2-1-1-1-released/