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  1. JDK
  2. JDK-8238384

CTW: C2 compilation fails with "assert(store != load->find_exact_control(load->in(0))) failed: dependence cycle found"

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    • b13
    • Fix failed

    Description

      This fails in jdk-updates/jdk11u-dev, but not in jdk/jdk. Must be a missing backport, or vanilla jdk11u bug?

      $ wget https://repo1.maven.org/maven2/com/lambdazen/bitsy/bitsy/3.0.3/bitsy-3.0.3.jar
      $ wget https://cr.openjdk.java.net/~shade/ctw/ctw-jdk11.zip
      $ unzip ctw-jdk11.zip
      $ ./ctw.sh bitsy-3.0.3.jar

      # Internal Error (/home/shade/trunks/jdk-updates-jdk11u-dev/src/hotspot/share/opto/gcm.cpp:763), pid=25570, tid=25604
      # assert(store != load->find_exact_control(load->in(0))) failed: dependence cycle found

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          Bug - A problem which impairs or prevents the functions of the product. JDK-8240795 [REDO] 8238384 CTW: C2 compilation fails with "assert(store != load->find_exact_control(load->in(0))) failed: dependence cycle found"

          • P3 - Major loss of function.
          • Resolved
          relates to

          Bug - A problem which impairs or prevents the functions of the product. JDK-8240794 [BACKOUT] 8238384 CTW: C2 compilation fails with "assert(store != load->find_exact_control(load->in(0))) failed: dependence cycle found"

          • P3 - Major loss of function.
          • Resolved

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              roland Roland Westrelin
              shade Aleksey Shipilev
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