How to Fix Weird Build Failure with "-release" but OK with "-debug"?

[apz28]

On Friday, 23 July 2021 at 18:44:47 UTC, Steven Schveighoffer 
wrote:
> On 7/22/21 7:43 PM, apz28 wrote:
>

> In any case, it's possible that fbConnection being null does 
> not mean a null dereference, but I'd have to see the class 
> itself. I'm surprised if you don't get a null dereference in 
> non-release mode, unless this code is never actually called.
>
> -Steve

The -debug build with passing unit-tests so no problem there.
The -release build is having problem. After make change to 
accommodate it, it takes forever to build. I started it yesterday 
11AM and it is still compiling now (more than a day already.) It 
takes a full 100% core and peek memory usage is 2.2GB. The 
hard-drive is SSD