deps: update v8 to 3.15.11.7

deps/v8/build/common.gypi

@@ -160,7 +160,7 @@
           [ 'v8_use_arm_eabi_hardfloat=="true"', {
             'defines': [
               'USE_EABI_HARDFLOAT=1',
-              'CAN_USE_VFP2_INSTRUCTIONS',
+              'CAN_USE_VFP3_INSTRUCTIONS',
             ],
             'target_conditions': [
               ['_toolset=="target"', {
@@ -399,6 +399,15 @@
           }],
           ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="netbsd" \
             or OS=="android"', {
+            'cflags!': [
+              '-O2',
+              '-Os',
+            ],
+            'cflags': [
+              '-fdata-sections',
+              '-ffunction-sections',
+              '-O3',
+            ],
             'conditions': [
               [ 'gcc_version==44 and clang==0', {
                 'cflags': [

deps/v8/src/deoptimizer.cc

@@ -1411,8 +1411,9 @@ void Deoptimizer::EnsureCodeForDeoptimizationEntry(BailoutType type,
       ? data->eager_deoptimization_entry_code_entries_
       : data->lazy_deoptimization_entry_code_entries_;
   if (max_entry_id < entry_count) return;
-  entry_count = Min(Max(entry_count * 2, Deoptimizer::kMinNumberOfEntries),
-                    Deoptimizer::kMaxNumberOfEntries);
+  entry_count = Max(entry_count, Deoptimizer::kMinNumberOfEntries);
+  while (max_entry_id >= entry_count) entry_count *= 2;
+  ASSERT(entry_count <= Deoptimizer::kMaxNumberOfEntries);
 
   MacroAssembler masm(Isolate::Current(), NULL, 16 * KB);
   masm.set_emit_debug_code(false);

deps/v8/src/string.js

@@ -824,6 +824,7 @@ function StringFromCharCode(code) {
   for (i = 0; i < n; i++) {
     var code = %_Arguments(i);
     if (!%_IsSmi(code)) code = ToNumber(code) & 0xffff;
+    if (code < 0) code = code & 0xffff;
     if (code > 0x7f) break;
     %_OneByteSeqStringSetChar(one_byte, i, code);
   }

deps/v8/src/version.cc

@@ -35,7 +35,7 @@
 #define MAJOR_VERSION     3
 #define MINOR_VERSION     15
 #define BUILD_NUMBER      11
-#define PATCH_LEVEL       5
+#define PATCH_LEVEL       7
 // Use 1 for candidates and 0 otherwise.
 // (Boolean macro values are not supported by all preprocessors.)
 #define IS_CANDIDATE_VERSION 0

deps/v8/test/mjsunit/regress/regress-166553.js

@@ -0,0 +1,33 @@
+// Copyright 2012 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+//       notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+//       copyright notice, this list of conditions and the following
+//       disclaimer in the documentation and/or other materials provided
+//       with the distribution.
+//     * Neither the name of Google Inc. nor the names of its
+//       contributors may be used to endorse or promote products derived
+//       from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --expose_gc
+
+JSON.stringify(String.fromCharCode(1, -11).toString())
+gc();
+var s = String.fromCharCode(1, -11)
+assertEquals(65525, s.charCodeAt(1))