[Polly] Never consider non-SCoP blocks as error blocks.

Code outside the SCoP will be executed recardless of the code versioning
runtime check introduced by CodeGeneration. Assumption made based on
that these are never executed in Polly-optimized code does not hold.

This fixes the miscompilation of MultiSource/Applications/lambda-0.1.3

GitOrigin-RevId: 955b91c19c00ed4c917559a5d66d14c669dde2e3
3 files changed