Github user jbapple-cloudera commented on a diff in the pull request: https://github.com/apache/thrift/pull/1222#discussion_r108061917 --- Diff: build/docker/scripts/ubsan.sh --- @@ -15,7 +15,7 @@ export CXX=clang++-3.8 # undefined casting, aka "vptr". # # TODO: fix undefined vptr behavior and turn this option back on. -export CFLAGS="-fsanitize=undefined -fno-sanitize-recover=undefined -fno-sanitize=vptr" --- End diff -- We'll still want to include `-fno-sanitize-recover=undefined`, I think. When that option is set, a binary will crash on undefined behavior. When it is not set, the binary will print an error and continue. Having it set is preferable, I think, so that undefined behavior causes the tests to fail.
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