[Bug c++/70848] g++ arm-none-eabi ignores volatile qualifier

[hendrikborghorst at googlemail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70848

--- Comment #3 from Hendrik Borghorst <hendrikborghorst at googlemail dot com> 
---
The sourcefile was compiled with:

arm-none-eabi-g++ -save-temps -O3 -c test.c