[Bug sanitizer/83356] [7 Regression] excessive stack usage compiling with -O2 -fsanitize=bounds -fsanitize=object-size

[arnd at linaro dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83356

--- Comment #11 from Arnd Bergmann <arnd at linaro dot org> ---
The second version of my workaround (build with 'gcc -Os' on gcc-7.1+) was
merged into mainline linux: https://patchwork.kernel.org/patch/10143607/