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Vasil Dimov authored
Previously HAVE_IB_PAUSE_INSTRUCTION was never defined and thus InnoDB never used the PAUSE instruction on non-windows even if it was available. Probably the check was never migrated from autotools' storage/innobase/plug.in to storage/innobase/CMakeLists.txt. Since the check for PAUSE is done at top-level configure.cmake we can use the result from there (HAVE_PAUSE_INSTRUCTION) instead of rolling InnoDB's own HAVE_IB_PAUSE_INSTRUCTION (the check is identical anyway).
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