[Bug tree-optimization/88074] [7/8/9 Regression] g++ hangs on math expression

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88074

--- Comment #15 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to joseph@codesourcery.com from comment #13)
> MPFR deals with larger exponent ranges for intermediate computations 
> itself (MPFR functions generally set the maximum possible exponent range 
> internally).  MPC generally doesn't seem to, so quite likely setting an 
> exponent range could show up some MPC bugs.

But those would be MPC bugs.  I tend to think that even with the obvious
bug cases (mpc failing to increase the exponent range) the results will
be at least consistent and of greater precision than what glibc does?