--- old/src/jdk.vm.ci/share/classes/jdk.vm.ci.runtime/src/jdk/vm/ci/runtime/JVMCIBackend.java	2015-11-02 17:06:44.000000000 -1000
+++ new/src/jdk.vm.ci/share/classes/jdk.vm.ci.runtime/src/jdk/vm/ci/runtime/JVMCIBackend.java	2015-11-02 17:06:44.000000000 -1000
@@ -22,8 +22,11 @@
  */
 package jdk.vm.ci.runtime;
 
-import jdk.vm.ci.code.*;
-import jdk.vm.ci.meta.*;
+import jdk.vm.ci.code.CodeCacheProvider;
+import jdk.vm.ci.code.TargetDescription;
+import jdk.vm.ci.code.stack.StackIntrospection;
+import jdk.vm.ci.meta.ConstantReflectionProvider;
+import jdk.vm.ci.meta.MetaAccessProvider;
 
 /**
  * A JVMCI backend encapsulates the capabilities needed by a Java based compiler for compiling and
@@ -35,11 +38,13 @@
     private final MetaAccessProvider metaAccess;
     private final CodeCacheProvider codeCache;
     private final ConstantReflectionProvider constantReflection;
+    private final StackIntrospection stackIntrospection;
 
-    public JVMCIBackend(MetaAccessProvider metaAccess, CodeCacheProvider codeCache, ConstantReflectionProvider constantReflection) {
+    public JVMCIBackend(MetaAccessProvider metaAccess, CodeCacheProvider codeCache, ConstantReflectionProvider constantReflection, StackIntrospection stackIntrospection) {
         this.metaAccess = metaAccess;
         this.codeCache = codeCache;
         this.constantReflection = constantReflection;
+        this.stackIntrospection = stackIntrospection;
     }
 
     public MetaAccessProvider getMetaAccess() {
@@ -57,4 +62,8 @@
     public TargetDescription getTarget() {
         return codeCache.getTarget();
     }
+
+    public StackIntrospection getStackIntrospection() {
+        return stackIntrospection;
+    }
 }