that special control relates to OTS built into the MD, that guide has no relevance to your problem I think, due to compiler is not built into the MD.
What you are looking for is how to comply with 21CFR820.70(i) actually.
Is assuming that millions of developers worldwide using it is sufficient?
In medical industry it does not save our soul.
what you can do is to drive your validation effort into almost zero with common sense involvement
, namely the validity of the compiler operation is checked implicitly during the unit/subsystem/whatever product testing, because those test would fail obviously in case the compiler would have failed to fulfill itsown intended use.
Well it should be packaged nicely into a rational.