deps: update V8 to 6.3.292.46

PR-URL: https://github.com/nodejs/node/pull/16271
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Myles Borins <myles.borins@gmail.com>

1 files changed, 24 insertions, 5 deletions

diff --git a/deps/v8/src/globals.h b/deps/v8/src/globals.h
index e06257d35e..c98f55f02f 100644
--- a/deps/v8/src/globals.h
+++ b/deps/v8/src/globals.h
@@ -1256,6 +1256,7 @@ inline uint32_t ObjectHash(Address address) {
 // to a more generic type when we combine feedback.
 // kSignedSmall -> kSignedSmallInputs -> kNumber  -> kNumberOrOddball -> kAny
 //                                                   kString          -> kAny
+// kBigInt -> kAny
 // TODO(mythria): Remove kNumber type when crankshaft can handle Oddballs
 // similar to Numbers. We don't need kNumber feedback for Turbofan. Extra
 // information about Number might reduce few instructions but causes more
@@ -1270,7 +1271,8 @@ class BinaryOperationFeedback {
     kNumber = 0x7,
     kNumberOrOddball = 0xF,
     kString = 0x10,
-    kAny = 0x3F
+    kBigInt = 0x20,
+    kAny = 0x7F
   };
 };
 
@@ -1297,6 +1299,27 @@ class CompareOperationFeedback {
   };
 };
 
+// Type feedback is encoded in such a way that, we can combine the feedback
+// at different points by performing an 'OR' operation. Type feedback moves
+// to a more generic type when we combine feedback.
+// kNone -> kEnumCacheKeysAndIndices -> kEnumCacheKeys -> kAny
+class ForInFeedback {
+ public:
+  enum {
+    kNone = 0x0,
+    kEnumCacheKeysAndIndices = 0x1,
+    kEnumCacheKeys = 0x3,
+    kAny = 0x7
+  };
+};
+STATIC_ASSERT((ForInFeedback::kNone |
+               ForInFeedback::kEnumCacheKeysAndIndices) ==
+              ForInFeedback::kEnumCacheKeysAndIndices);
+STATIC_ASSERT((ForInFeedback::kEnumCacheKeysAndIndices |
+               ForInFeedback::kEnumCacheKeys) == ForInFeedback::kEnumCacheKeys);
+STATIC_ASSERT((ForInFeedback::kEnumCacheKeys | ForInFeedback::kAny) ==
+              ForInFeedback::kAny);
+
 enum class UnicodeEncoding : uint8_t {
   // Different unicode encodings in a |word32|:
   UTF16,  // hi 16bits -> trailing surrogate or 0, low 16bits -> lead surrogate
@@ -1417,10 +1440,6 @@ enum IsolateAddressId {
 }  // namespace internal
 }  // namespace v8
 
-// Used by js-builtin-reducer to identify whether ReduceArrayIterator() is
-// reducing a JSArray method, or a JSTypedArray method.
-enum class ArrayIteratorKind { kArray, kTypedArray };
-
 namespace i = v8::internal;
 
 #endif  // V8_GLOBALS_H_