When did gdc and ldc start?

[Walter Bright]

On 7/31/2018 12:07 PM, Iain Buclaw wrote:
> On 31 July 2018 at 20:40, Walter Bright via Digitalmars-d
> <digitalmars-d at puremagic.com> wrote:
>> What's the difference between:
>>
>>          DLI
>>          GDMD
>>          DGCC
>>
>> ?
> 
> DLI: From what I recall, an independent project that just simply
> ported DMD front-end to Linux.  I don't remember the details how but
> it had its own backend.
> GDMD: One failed attempt at getting a GCC back-end working with DMD.
> DGCC: The first successful GCC based compiler, to which GDC is derived from.
> 
> You could call DGCC the LUCA of GDC
> (https://en.wikipedia.org/wiki/Last_universal_common_ancestor :-)
> 
> Iain
> 

Was DGCC started from the GDMD sources?