Implement DummyLoweringProvider.getTarget

Author: gilles-duboscq

espresso-compiler-stub/src/com.oracle.truffle.espresso.graal/src/com/oracle/truffle/espresso/graal/DummyLoweringProvider.java

@@ -36,6 +36,12 @@
 import jdk.vm.ci.meta.JavaKind;
 
 public final class DummyLoweringProvider implements LoweringProvider {
+    private final TargetDescription target;
+
+    public DummyLoweringProvider(TargetDescription target) {
+        this.target = target;
+    }
+
     @Override
     public void lower(Node n, LoweringTool tool) {
         throw GraalError.unimplementedOverride();
@@ -75,7 +81,8 @@ public boolean writesStronglyOrdered() {
 
     @Override
     public TargetDescription getTarget() {
-        throw GraalError.unimplementedOverride();
+        // used at least by AutomaticUnsafeTransformationSupport.getStaticInitializerGraph
+        return target;
     }
 
     @Override

espresso-compiler-stub/src/com.oracle.truffle.espresso.graal/src/com/oracle/truffle/espresso/graal/EspressoGraalRuntime.java

@@ -62,7 +62,7 @@ private static Providers createProviders(JVMCIRuntime jvmciRuntime) {
         EspressoConstantReflectionProvider constantReflection = (EspressoConstantReflectionProvider) hostJVMCIBackend.getConstantReflection();
         ConstantFieldProvider constantFieldProvider = new EspressoConstantFieldProvider(metaAccess);
         ForeignCallsProvider foreignCalls = new DummyForeignCallsProvider();
-        LoweringProvider lowerer = new DummyLoweringProvider();
+        LoweringProvider lowerer = new DummyLoweringProvider(target);
         StampProvider stampProvider = new DummyStampProvider();
         PlatformConfigurationProvider platformConfigurationProvider = new DummyPlatformConfigurationProvider();
         MetaAccessExtensionProvider metaAccessExtensionProvider = new EspressoMetaAccessExtensionProvider(constantReflection);