format with floating points GC allocating in DMD 2.090

[Andrea Fontana]

On Friday, 31 January 2020 at 08:45:55 UTC, bauss wrote:
> On Friday, 31 January 2020 at 07:20:17 UTC, cc wrote:
>> 	char[4096] buf;
>> 	writeln(GC.stats.usedSize);
>> 	foreach (i; 0 .. 10) {
>> 		sformat(buf, "%f", 1.234f);
>> 		writeln(GC.stats.usedSize);
>> 	}
>>
>
> Report it as a bug because it's definitely a bug and there was 
> changes to the GC in 2.090.0

2.086 x64 on linux:

0
64
112
160
208
256
304
352
400
448
496