--- old/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.sparc/src/org/graalvm/compiler/core/sparc/SPARCLIRKindTool.java 2017-12-13 08:52:25.000000000 -0800 +++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.sparc/src/org/graalvm/compiler/core/sparc/SPARCLIRKindTool.java 2017-12-13 08:52:24.000000000 -0800 @@ -68,7 +68,7 @@ @Override public LIRKind getNarrowOopKind() { - return LIRKind.reference(SPARCKind.WORD); + return LIRKind.compressedReference(SPARCKind.WORD); } @Override