https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85526
--- Comment #3 from Steve Kargl <sgk at troutmask dot apl.washington.edu> --- On Wed, Apr 25, 2018 at 11:33:34PM +0000, dominiq at lps dot ens.fr wrote: > The code compiles with 6.4.0 and 7.3.0, but not with 6.4.1, 7.3.1, > 8.0.1 and trunk (9.0). This is likely r258347 for gcc8, r258367 > for gcc7, and r258368 for gcc6. Bummer. Don't know how to fix this one. Workaround is to move checkFmt() to above its first use in another function.