[Bug tree-optimization/128574] wrong code: TER moves a trapping FP operation past a builtin library call (gap in the PR102129 fix)

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=128574

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2026-11-09
             Status|UNCONFIRMED                 |NEW

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed.  Should probably use is_inexpensive_builtin instead, but that would
not allow TER across math function calls which was probably intended. 
Invariant motion simply uses gimple_has_side_effects which requries non-looping
const/pure behavior.