Univs: fix bug #5180

In the kernel's generic conversion, backtrack on UniverseInconsistency
for the unfolding heuristic (single backtracking point in reduction).
This exception can be raised in the univ_compare structure to produce
better error messages when the generic conversion function is called
from higher level code in reductionops.ml, which itself is called during
unification in evarconv.ml.
Inside the kernel, the infer and check variants of conversion never
raise UniverseInconsistency though, so this does not change the behavior
of the kernel.

0 files changed, 0 insertions, 0 deletions