https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96044
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |WAITING Ever confirmed|0 |1 Last reconfirmed| |2020-07-03 CC| |vincent-gcc at vinc17 dot net --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- It works for me (but takes ~16 seconds to constant fold on a fast machine). This is with mpfr 4.0.1 and gmp 6.1.2. Can you share more info?