https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121470
Segher Boessenkool <segher at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Ever confirmed|0 |1 Resolution|DUPLICATE |--- Status|RESOLVED |REOPENED Last reconfirmed| |2025-08-08 --- Comment #3 from Segher Boessenkool <segher at gcc dot gnu.org> --- Not a duplicate. The problem happens during expand. All language sign-extension etc. is done *earlier*, as the testcase here shows (compare what happens in g()). It also is just incorrect what happens here.