commit da12d29b40bc9ac10bcdeb5696b69c3ed0d3133f
author Ben Murdoch <benm@google.com> Thu Jun 02 14:46:10 2016 +0100
committer Dirk Vogt <dirk@fairphone.com> Fri Mar 17 16:06:11 2017 +0100
tree f11e06aa13d44d9524519b744c8a645b7578ffd9
parent 097c5b25f8b57b92e6c94f25383a883ff242344f

Upgrade V8 to 5.1.281.57  DO NOT MERGE

FPIIM-449

Change-Id: Id981b686b4d587ac31697662eb98bb34be42ad90
(cherry picked from commit 3b9bc31999c9787eb726ecdbfd5796bfdec32a18)

src/arm64/assembler-arm64.cc

diff --git a/src/arm64/assembler-arm64.cc b/src/arm64/assembler-arm64.cc
index ea7a732..2471d5e 100644
--- a/src/arm64/assembler-arm64.cc
+++ b/src/arm64/assembler-arm64.cc
@@ -56,7 +56,10 @@
   if (cpu.implementer() == base::CPU::NVIDIA &&
       cpu.variant() == base::CPU::NVIDIA_DENVER &&
       cpu.part() <= base::CPU::NVIDIA_DENVER_V10) {
-    supported_ |= 1u << COHERENT_CACHE;
+    // TODO(jkummerow): This is turned off as an experiment to see if it
+    // affects crash rates. Keep an eye on crash reports and either remove
+    // coherent cache support permanently, or re-enable it!
+    // supported_ |= 1u << COHERENT_CACHE;
   }
 }
 
@@ -437,7 +440,8 @@
   DCHECK(mode != RelocInfo::NONE32);
 
   return RelocInfo::IsNone(mode) ||
-         (!assm_->serializer_enabled() && (mode >= RelocInfo::CELL));
+         (!assm_->serializer_enabled() &&
+          (mode >= RelocInfo::FIRST_SHAREABLE_RELOC_MODE));
 }
 
 
@@ -2871,7 +2875,7 @@
   // We do not try to reuse pool constants.
   RelocInfo rinfo(isolate(), reinterpret_cast<byte*>(pc_), rmode, data, NULL);
   if (((rmode >= RelocInfo::COMMENT) &&
-       (rmode <= RelocInfo::DEBUG_BREAK_SLOT_AT_CALL)) ||
+       (rmode <= RelocInfo::DEBUG_BREAK_SLOT_AT_TAIL_CALL)) ||
       (rmode == RelocInfo::INTERNAL_REFERENCE) ||
       (rmode == RelocInfo::CONST_POOL) || (rmode == RelocInfo::VENEER_POOL) ||
       (rmode == RelocInfo::DEOPT_REASON) ||