Why GCC 5.0 does not support GDC?

GCC 5.0 was released, the full support golang 1.4.2, but why not support GDC? Look GCC 5 Release Series Changes, New Features, and Fixes: https://gcc.gnu.org/gcc-5/changes.html

Problem with extern function declarations

The recently added weak attribute shows a small difference in behavior compared to c: #include __attribute__((weak)) int test(); int main() { printf("%p %d\n", &test, (int)&test); return 0; } (nil) 0 import core.st

[Bug 172] Add support for GCC's weak attribute

http://bugzilla.gdcproject.org/show_bug.cgi?id=172 Johannes Pfau changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug 113] Internal compiler problem on shared argument of final interface method: in toElem, at d/d-elem.cc:2521

http://bugzilla.gdcproject.org/show_bug.cgi?id=113 Johannes Pfau changed: What|Removed |Added Status|ASSIGNED|RESOLVED CC|

[Bug 150] compiler spits asm errors

http://bugzilla.gdcproject.org/show_bug.cgi?id=150 Johannes Pfau changed: What|Removed |Added Status|NEW |RESOLVED CC|

[Bug 104] gcc-4.4.5 / D2.052 / cygwin: configure error for phobos/__libc_stack_end

http://bugzilla.gdcproject.org/show_bug.cgi?id=104 Johannes Pfau changed: What|Removed |Added Status|NEW |RESOLVED CC|