Undefined Behavior fixes#3581
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roystgnr merged 3 commits intolibMesh:develfrom Jun 12, 2023
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This was broken ten years ago and I never caught it until an -fsanitize run. We need to get the full -fsanitize, along with whatever -W option would have caught this, into CI ASAP.
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This was what clang
-fsanititze=undefinedcaught for me. One half-finished feature, but also one decade-old bug.We'll see whether this also satisfies the new (currently optional-pass)
-fsanitize=undefinedCI recipe, and if so then we might stop making that optional.