# JVM options that JDK 27 removed or renamed. Each runs 'java <option> -version' on 26 and on 27.

=== -noverify
  JDK 26:
    OpenJDK 64-Bit Server VM warning: Options -Xverify:none and -noverify were deprecated in JDK 13 and will likely be removed in a future release.
    OpenJDK 64-Bit Server VM Corretto-26.0.2.11.1 (build 26.0.2.1+11-FR, mixed mode, sharing)
  JDK 27:
    Unrecognized option: -noverify
    Error: Could not create the Java Virtual Machine.

=== -Xverify:none
  JDK 26:
    OpenJDK 64-Bit Server VM warning: Options -Xverify:none and -noverify were deprecated in JDK 13 and will likely be removed in a future release.
    OpenJDK 64-Bit Server VM Corretto-26.0.2.11.1 (build 26.0.2.1+11-FR, mixed mode, sharing)
  JDK 27:
    Unrecognized verification option: -Xverify:none
    Error: Could not create the Java Virtual Machine.

=== -noclassgc
  JDK 26:
    Warning: -noclassgc option is deprecated and may be removed in a future release.
    OpenJDK 64-Bit Server VM Corretto-26.0.2.11.1 (build 26.0.2.1+11-FR, mixed mode, sharing)
  JDK 27:
    Unrecognized option: -noclassgc
    Error: Could not create the Java Virtual Machine.

=== -XX:+UseCompressedClassPointers
  JDK 26:
    OpenJDK 64-Bit Server VM warning: Option UseCompressedClassPointers was deprecated in version 25.0 and will likely be removed in a future release.
    OpenJDK 64-Bit Server VM Corretto-26.0.2.11.1 (build 26.0.2.1+11-FR, mixed mode, sharing)
  JDK 27:
    OpenJDK 64-Bit Server VM warning: Ignoring option UseCompressedClassPointers; support was removed in 27.0
    OpenJDK 64-Bit Server VM Corretto-27.0.0.35.1 (build 27+35-FR, mixed mode, sharing)

=== -XX:InitiatingHeapOccupancyPercent=40
  JDK 26:
    OpenJDK 64-Bit Server VM Corretto-26.0.2.11.1 (build 26.0.2.1+11-FR, mixed mode, sharing)
  JDK 27:
    OpenJDK 64-Bit Server VM warning: Option InitiatingHeapOccupancyPercent was deprecated in version 27.0 and will likely be removed in a future release. Use option G1IHOP instead.
    OpenJDK 64-Bit Server VM Corretto-27.0.0.35.1 (build 27+35-FR, mixed mode, sharing)

=== -XX:G1IHOP=40
  JDK 26:
    Unrecognized VM option 'G1IHOP=40'
    Error: Could not create the Java Virtual Machine.
  JDK 27:
    OpenJDK 64-Bit Server VM Corretto-27.0.0.35.1 (build 27+35-FR, mixed mode, sharing)

=== -XX:+UnlockExperimentalVMOptions -XX:+UseGraalJIT   (JVMCI and the Graal JIT hook were removed in 27)
  JDK 26:
    Cannot use JVMCI compiler: JVMCI compiler 'graal' specified by jvmci.Compiler not found
  JDK 27:
    Unrecognized VM option 'UseGraalJIT'
    Error: Could not create the Java Virtual Machine.