[Bug target/102498] wrong output of printf with long double constant (pi) and non-default rounding mode

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102498

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 51512
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51512&action=edit
gcc12-pr102498.patch

Untested fix.  4 of the 5 constants misbehave with -frounding-math in
FE_TOWARDZERO and FE_DOWNWARD modes, one misbehaves in FE_UPWARD mode.