https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66563
--- Comment #28 from John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> --- Addendum: mpfr4_3.1.3-1 seems to be affected as well but I need to perform more testing. But it's definitely the jump from 3.1.2-1 to 3.1.2-3 that caused the bug!
