src/jdk.vm.ci/share/classes/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotResolvedPrimitiveType.java

@@ -26,11 +26,10 @@
 
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Array;
 import java.lang.reflect.Modifier;
 
-import jdk.vm.ci.common.JVMCIError;
 import jdk.vm.ci.meta.Assumptions.AssumptionResult;
 import jdk.vm.ci.meta.JavaConstant;
 import jdk.vm.ci.meta.JavaKind;
 import jdk.vm.ci.meta.JavaType;
 import jdk.vm.ci.meta.ResolvedJavaField;

@@ -98,11 +97,11 @@
         return new ResolvedJavaType[0];
     }
 
     @Override
     public ResolvedJavaType getSingleImplementor() {
-        throw new JVMCIError("Cannot call getSingleImplementor() on a non-interface type: %s", this);
+        throw new InternalError("Cannot call getSingleImplementor() on a non-interface type: " + this);
     }
 
     @Override
     public ResolvedJavaType findLeastCommonAncestor(ResolvedJavaType otherType) {
         return null;

@@ -228,11 +227,11 @@
         return null;
     }
 
     @Override
     public String getSourceFileName() {
-        throw JVMCIError.unimplemented();
+        throw new InternalError();
     }
 
     @Override
     public Class<?> mirror() {
         return kind.toJavaClass();