Version 3.22.23
Renamed deprecated __attribute__((no_address_safety_analysis)) to __attribute__((no_sanitize_address)) (Chromium issue 311283)
Defined DEBUG for v8_optimized_debug=2
Performance and stability improvements on all platforms.
git-svn-id: http://v8.googlecode.com/svn/trunk@17420 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/src/objects-debug.cc b/src/objects-debug.cc
index 90b0193..fa3c375 100644
--- a/src/objects-debug.cc
+++ b/src/objects-debug.cc
@@ -335,9 +335,7 @@
// If a GC was caused while constructing this object, the elements
// pointer may point to a one pointer filler map.
- if ((FLAG_use_gvn && FLAG_use_allocation_folding) ||
- (reinterpret_cast<Map*>(elements()) !=
- GetHeap()->one_pointer_filler_map())) {
+ if (ElementsAreSafeToExamine()) {
CHECK_EQ((map()->has_fast_smi_or_object_elements() ||
(elements() == GetHeap()->empty_fixed_array())),
(elements()->map() == GetHeap()->fixed_array_map() ||
@@ -698,9 +696,7 @@
CHECK(length()->IsNumber() || length()->IsUndefined());
// If a GC was caused while constructing this array, the elements
// pointer may point to a one pointer filler map.
- if ((FLAG_use_gvn && FLAG_use_allocation_folding) ||
- (reinterpret_cast<Map*>(elements()) !=
- GetHeap()->one_pointer_filler_map())) {
+ if (ElementsAreSafeToExamine()) {
CHECK(elements()->IsUndefined() ||
elements()->IsFixedArray() ||
elements()->IsFixedDoubleArray());
@@ -1143,6 +1139,13 @@
}
+bool JSObject::ElementsAreSafeToExamine() {
+ return (FLAG_use_gvn && FLAG_use_allocation_folding) ||
+ reinterpret_cast<Map*>(elements()) !=
+ GetHeap()->one_pointer_filler_map();
+}
+
+
bool DescriptorArray::IsSortedNoDuplicates(int valid_entries) {
if (valid_entries == -1) valid_entries = number_of_descriptors();
Name* current_key = NULL;