[Bug target/79079] [6/7] Wrong code gen for __builtin_mul_overflow when TRULY_NOOP_TRUNCATION (32, 64) == false

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79079

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Note that there are 8 other gen_lowpart uses in expand_mul_overflow.  Are those
ok and only this one is problematic?  I have no experience with
non-TRULY_NOOP_TRUNCATION targets.