diff --git a/dev/core/src/com/google/gwt/dev/jjs/ast/JConstructor.java b/dev/core/src/com/google/gwt/dev/jjs/ast/JConstructor.java
index f6aa5ad..2a036ae 100644
--- a/dev/core/src/com/google/gwt/dev/jjs/ast/JConstructor.java
+++ b/dev/core/src/com/google/gwt/dev/jjs/ast/JConstructor.java
@@ -37,7 +37,8 @@
     }
 
     private Object readResolve() {
-      JConstructor result = new JConstructor(SourceOrigin.UNKNOWN, enclosingType);
+      JConstructor result =
+          new JConstructor(SourceOrigin.UNKNOWN, enclosingType, AccessModifier.PUBLIC);
       result.signature = signature;
       return result;
     }
@@ -62,10 +63,10 @@
     return defaultConstructor;
   }
 
-  public JConstructor(SourceInfo info, JClassType enclosingType) {
+  public JConstructor(SourceInfo info, JClassType enclosingType, AccessModifier access) {
     // Access only matters for virtual methods, just use public.
     super(info, enclosingType.getShortName(), enclosingType, JPrimitiveType.VOID, false, false,
-        true, AccessModifier.PUBLIC);
+        true, access);
   }
 
   @Override
diff --git a/dev/core/src/com/google/gwt/dev/jjs/impl/GwtAstBuilder.java b/dev/core/src/com/google/gwt/dev/jjs/impl/GwtAstBuilder.java
index 41fef2d..3a7b7ad 100644
--- a/dev/core/src/com/google/gwt/dev/jjs/impl/GwtAstBuilder.java
+++ b/dev/core/src/com/google/gwt/dev/jjs/impl/GwtAstBuilder.java
@@ -1229,7 +1229,7 @@
       // class lambda$0$Type implements T {}
       JClassType innerLambdaClass = createInnerClass(JdtUtil.asDottedString(x.binding.declaringClass.compoundName) +
           "$" + new String(x.binding.selector), x, info, funcType);
-      JConstructor ctor = new JConstructor(info, innerLambdaClass);
+      JConstructor ctor = new JConstructor(info, innerLambdaClass, AccessModifier.PRIVATE);
 
       // locals captured by the lambda and saved as fields on the anonymous inner class
       List<JField> locals = new ArrayList<JField>();
@@ -1742,7 +1742,7 @@
         lambdaNameToInnerLambdaType.put(lambdaName, innerLambdaClass);
         newTypes.add(innerLambdaClass);
 
-        JConstructor ctor = new JConstructor(info, innerLambdaClass);
+        JConstructor ctor = new JConstructor(info, innerLambdaClass, AccessModifier.PRIVATE);
 
         JMethodBody ctorBody = new JMethodBody(info);
         JThisRef thisRef = new JThisRef(info, innerLambdaClass);
@@ -3972,7 +3972,8 @@
     JMethod method;
     boolean isNested = JdtUtil.isInnerClass(declaringClass);
     if (x.isConstructor()) {
-      method = new JConstructor(info, (JClassType) enclosingType);
+      method =
+          new JConstructor(info, (JClassType) enclosingType, AccessModifier.fromMethodBinding(b));
       if (x.isDefaultConstructor()) {
         ((JConstructor) method).setDefaultConstructor();
       }
diff --git a/dev/core/src/com/google/gwt/dev/jjs/impl/ReferenceMapper.java b/dev/core/src/com/google/gwt/dev/jjs/impl/ReferenceMapper.java
index 49ad6b6..36cc34e 100644
--- a/dev/core/src/com/google/gwt/dev/jjs/impl/ReferenceMapper.java
+++ b/dev/core/src/com/google/gwt/dev/jjs/impl/ReferenceMapper.java
@@ -200,7 +200,8 @@
 
   JMethod createConstructor(SourceInfo info, MethodBinding b) {
     JDeclaredType enclosingType = (JDeclaredType) get(b.declaringClass);
-    JMethod method = new JConstructor(info, (JClassType) enclosingType);
+    JMethod method =
+        new JConstructor(info, (JClassType) enclosingType, AccessModifier.fromMethodBinding(b));
     enclosingType.addMethod(method);
 
     /*
diff --git a/dev/core/test/com/google/gwt/dev/jjs/impl/JsInteropRestrictionCheckerTest.java b/dev/core/test/com/google/gwt/dev/jjs/impl/JsInteropRestrictionCheckerTest.java
index 64a7ac1..6553b15 100644
--- a/dev/core/test/com/google/gwt/dev/jjs/impl/JsInteropRestrictionCheckerTest.java
+++ b/dev/core/test/com/google/gwt/dev/jjs/impl/JsInteropRestrictionCheckerTest.java
@@ -112,6 +112,30 @@
     assertCompileSucceeds();
   }
 
+  public void testMultiplePrivateConstructorsExportSucceeds() throws Exception {
+    addSnippetImport("com.google.gwt.core.client.js.JsExport");
+    addSnippetClassDecl(
+        "@JsExport",
+        "public static class Buggy {",
+        "  private Buggy() {}",
+        "  private Buggy(int a) {}",
+        "}");
+
+    assertCompileSucceeds();
+  }
+
+  public void testMultiplePublicConstructorsExportFails() throws Exception {
+    addSnippetImport("com.google.gwt.core.client.js.JsExport");
+    addSnippetClassDecl(
+        "@JsExport",
+        "public static class Buggy {",
+        "  public Buggy() {}",
+        "  public Buggy(int a) {}",
+        "}");
+
+    assertCompileFails();
+  }
+
   public void testSingleExportSucceeds() throws Exception {
     addSnippetImport("com.google.gwt.core.client.js.JsExport");
     addSnippetClassDecl(
@@ -149,7 +173,8 @@
       optimize("void", "new Buggy();");
       fail("JsInteropRestrictionCheckerTest should have prevented the name collision.");
     } catch (Exception e) {
-      assertTrue(e.getCause() instanceof UnableToCompleteException);
+      assertTrue(e.getCause() instanceof UnableToCompleteException
+          || e instanceof UnableToCompleteException);
     }
   }
 
diff --git a/dev/core/test/com/google/gwt/dev/jjs/impl/codesplitter/FragmentExtractorTest.java b/dev/core/test/com/google/gwt/dev/jjs/impl/codesplitter/FragmentExtractorTest.java
index 6f0a17a..778f064 100644
--- a/dev/core/test/com/google/gwt/dev/jjs/impl/codesplitter/FragmentExtractorTest.java
+++ b/dev/core/test/com/google/gwt/dev/jjs/impl/codesplitter/FragmentExtractorTest.java
@@ -18,6 +18,7 @@
 import com.google.gwt.dev.jjs.CorrelationFactory;
 import com.google.gwt.dev.jjs.SourceInfo;
 import com.google.gwt.dev.jjs.SourceOrigin;
+import com.google.gwt.dev.jjs.ast.AccessModifier;
 import com.google.gwt.dev.jjs.ast.JClassType;
 import com.google.gwt.dev.jjs.ast.JConstructor;
 import com.google.gwt.dev.jjs.ast.JDeclaredType;
@@ -181,7 +182,8 @@
       SourceInfo nullSourceInfo = new MockSourceInfo();
       final JClassType barType = new JClassType(nullSourceInfo, "Bar", false, false);
       final JsName barConstructorName = new JsName(null, "Bar", "Bar");
-      final JConstructor barConstructor = new JConstructor(nullSourceInfo, barType);
+      final JConstructor barConstructor =
+          new JConstructor(nullSourceInfo, barType, AccessModifier.PUBLIC);
       Map<String, JsFunction> functionsByName = new HashMap<String, JsFunction>();
       functionsByName.put("JavaClassHierarchySetupUtil.defineClass",
           new JsFunction(nullSourceInfo, new JsRootScope(), DEFINE_CLASS_FUNCTION_NAME));