[Bug target/103628] ICE: Segmentation fault (in gfc_conv_tree_to_mpfr)

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103628

--- Comment #7 from Segher Boessenkool <segher at gcc dot gnu.org> ---
(In reply to HaoChen Gui from comment #5)
> The memory representation of IBM long double is not unique. It's actually
> the sum of two 64-bit doubles. 

Yes, and the first of those two DP numbers is required to be the full
number rounded to double precision (with round-to-nearest).

What happened here?  I cannot make much sense of those numbers, but it
seems to contain something with uppercase ASCII overwritten?