[Bug middle-end/85344] constants with the sign bit set causes sign extension which is unexpected but not documented in the user documentation

[segher at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85344

--- Comment #16 from Segher Boessenkool <segher at gcc dot gnu.org> ---
There _is_ no const_int there yet, btw.  There is no RTL at all yet!