https://issues.dlang.org/show_bug.cgi?id=14591 --- Comment #6 from Rainer Schuetze <r.sagitario at gmx.de> --- I think you are right. Any other of the TemplateArg prefixes 'S' (TypeStruct), 'H' (TypeAssocArray) and 'T' (TypeTypedef) should be affected aswell. --