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  1. JDK
  2. JDK-8129628

x86: branch to unbound labels

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      Certain flag combinations, such as -XX:+TieredCompilation -XX:-UseOnStackReplacement can result in branches to unbound labels (see LAbel backedge_counter_overflow in TemplateTable::branch()), which seems like a bad idea, though apparently not fatal on x86. Debug builds should detect these cases so we can fix them.

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            dlong Dean Long
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