[Bug target/83084] [7/8 Regression] -fcompare-debug failure on ppc64le

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83084

--- Comment #3 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Is this because the var_location contains an unspec_volatile?  Is that a
target bug, then?