https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91298
--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> --- (In reply to claudio daffra from comment #8) > it may not work with the double dollar , > XSTR (x, 0) [0] == '$' > I can't verify '$$ id', "$$$ ... id" ad so on , at the moment ??? The only problem was with leading $, $ in other positions were ok in the past already. $$var should be treated like $var, in instructions wrapped in ()s, so ($$var) instead of $$var.