diff --git a/common.gypi b/common.gypi
index 9da5c37fb67324..505cacb938e664 100644
--- a/common.gypi
+++ b/common.gypi
@@ -36,7 +36,7 @@
 
     # Reset this number to 0 on major V8 upgrades.
     # Increment by one for each non-official patch applied to deps/v8.
-    'v8_embedder_string': '-node.10',
+    'v8_embedder_string': '-node.11',
 
     ##### V8 defaults for Node.js #####
 
@@ -259,7 +259,10 @@
     ],
     'msvs_settings': {
       'VCCLCompilerTool': {
-        'AdditionalOptions': ['/Zc:__cplusplus'],
+        'AdditionalOptions': [
+          '/Zc:__cplusplus',
+          '-std:c++17'
+        ],
         'BufferSecurityCheck': 'true',
         'DebugInformationFormat': 1,          # /Z7 embed info in .obj files
         'ExceptionHandling': 0,               # /EHsc
@@ -377,7 +380,7 @@
       }],
       [ 'OS in "linux freebsd openbsd solaris android aix cloudabi"', {
         'cflags': [ '-Wall', '-Wextra', '-Wno-unused-parameter', ],
-        'cflags_cc': [ '-fno-rtti', '-fno-exceptions', '-std=gnu++14' ],
+        'cflags_cc': [ '-fno-rtti', '-fno-exceptions', '-std=gnu++17' ],
         'defines': [ '__STDC_FORMAT_MACROS' ],
         'ldflags': [ '-rdynamic' ],
         'target_conditions': [
@@ -521,7 +524,7 @@
           ['clang==1', {
             'xcode_settings': {
               'GCC_VERSION': 'com.apple.compilers.llvm.clang.1_0',
-              'CLANG_CXX_LANGUAGE_STANDARD': 'gnu++14',  # -std=gnu++14
+              'CLANG_CXX_LANGUAGE_STANDARD': 'gnu++17',  # -std=gnu++17
               'CLANG_CXX_LIBRARY': 'libc++',
             },
           }],
diff --git a/deps/v8/src/objects/fixed-array.h b/deps/v8/src/objects/fixed-array.h
index 6b0ac5d9acaca1..8488371744fa16 100644
--- a/deps/v8/src/objects/fixed-array.h
+++ b/deps/v8/src/objects/fixed-array.h
@@ -138,7 +138,9 @@ class FixedArray
   inline void set(int index, Smi value);
 #else
   inline void set(int index, Smi value) {
+#if !defined(_WIN32)
     DCHECK_NE(map(), GetReadOnlyRoots().fixed_cow_array_map());
+#endif
     DCHECK_LT(static_cast<unsigned>(index), static_cast<unsigned>(length()));
     DCHECK(Object(value).IsSmi());
     int offset = OffsetOfElementAt(index);