https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43998
--- Comment #15 from Stas Sergeev <stsp at users dot sourceforge.net> --- Btw, clang seems to allow same regs in input and clobber list.
stsp at users dot sourceforge.net Fri, 24 Jun 2016 17:31:57 -0700
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43998
--- Comment #15 from Stas Sergeev <stsp at users dot sourceforge.net> --- Btw, clang seems to allow same regs in input and clobber list.