Comment # 11 on bug 1171643 from Gary Ching-Pang Lin

(In reply to Gary Ching-Pang Lin from comment #10)
> Created attachment 837901 [details]
> Testing patch for moutline-atomics
                    ^^^^^^^^^^^^^^^^
> 
> The patch adds "-moutline-atomics" to GCC5 flags. Please set TOOL_CHAIN back
                  ^^^^^^^^^^^^^^^^^
> to gcc5 and apply the patch for the further test.
> 
> If that patch works, I'll ping edk2/ovmf upstream to find a better place for
> the flag. (Maybe a new set of variables for GCC10)

Typos... It's actually -mno-outline-atomics.