GeoModel: Work around spurious clang FPE.

There is a spot in GeoMatrial::lock that can be vectorized, but that entails executing divisions speculatively, and only checking for division by zero afterwards. This can cause problems if one is looking at FPEs. Add a dummy call in the middle of that spot to prevent vectorization.

Needed to fix failures in the FastCaloSim and MuonCombinedConfig unit tests in the clang build.

marked this merge request as draft

I think this can be done better.

added 1 commit

• b36a87f6 - better way of inhibiting vectorization

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marked this merge request as ready

merged

mentioned in commit a43dae7d