Created attachment 11 [details] Code that fails gdc from master branch (at commit 3292afb) and gcc snapshot gcc-4.8-20121021.
Created attachment 12 [details] gdc command and failure
(Builds with DMD and LDC.)
You just missed the fix: https://github.com/D-Programming-GDC/GDC/commit/20c0b776702947a338afc953ba35234425994c65 *** This bug has been marked as a duplicate of bug 15 ***