Prevent inline constructor generation when duplicate properties are present i...

src/objects.cc

Index: src/objects.cc
===================================================================
--- src/objects.cc	(revision 5455)
+++ src/objects.cc	(working copy)
@@ -3825,7 +3825,7 @@
 }
 
 
-void DescriptorArray::Sort() {
+void DescriptorArray::SortUnchecked() {
   // In-place heap sort.
   int len = number_of_descriptors();
 
@@ -3875,7 +3875,11 @@
       parent_index = child_index;
     }
   }
+}
 
+
+void DescriptorArray::Sort() {
+  SortUnchecked();
   SLOW_ASSERT(IsSortedNoDuplicates());
 }
 
@@ -5269,6 +5273,13 @@
 }
 
 
+void SharedFunctionInfo::ForbidInlineConstructor() {
+  set_compiler_hints(BooleanBit::set(compiler_hints(),
+                                     kHasOnlySimpleThisPropertyAssignments,
+                                     false));
+}
+
+
 void SharedFunctionInfo::SetThisPropertyAssignmentsInfo(
     bool only_simple_this_property_assignments,
     FixedArray* assignments) {