Created attachment 199694 [details]
Since harfbuzz's update, pango now requires new GCC on GCC architectures to build.
Tested on powerpc64 and amd64.
Hardware sponsored by IntegriCloud.
This looks like a duplicate of or at least closely related to bug #218131 to me.
Yes, sorry for the confusion, it's duplicate.
*** This bug has been marked as a duplicate of bug 218131 ***