7f0f17b3fb
FIx a problem reported by Jakub Jelinek: don't do early-exit from fatal UBSan handlers: even if source location is disabled (i.e. acquired by some other thread), we should continue the execution to make sure that: a) some thread will print the error report before calling Die(). b) handler marked as noreturn will indeed not return. Explicitly add "Die()" calls at the end of all fatal handlers to be sure UBSan handlers don't introduce UB themselves. llvm-svn: 217542
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