[Bug bootstrap/61388] [4.8.3 Regression] linux/microblaze fails to build: undefined machine-specific constraint at this point: "Q"

[rose.garcia-eggl2fk at yopmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61388

--- Comment #1 from Rose Garcia <rose.garcia-eggl2fk at yopmail dot com> ---
tried adding the author of the faulty/incomplete patch that caused the
regression: nagaraju.mekala@xilinx.com to the CC list but i'm apparently not
allowed to.
could someone with op powers please do so ?