Multiline string literal improvements

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On Thursday, 12 October 2017 at 08:08:17 UTC, Igor wrote:
> I tried this but Disassembly view shows:
>
> call std.regex.regex!string.regex
> and
> call std.regex.replaceAll!(string, char, 
> std.regex.internal.ir.Regex!char).replaceAll
>
> which means that replaceAll with regex is done at runtime, not 
> compile time. Also when I just added enum in front of string 
> variable then I got this:
>
> Error: malloc cannot be interpreted at compile time, because it 
> has no available source code

Hmm, you're right. I could've sworn that std.regex is 
CTFE-friendly but it looks like I was wrong. If it used the GC 
instead of malloc this would probably work.