[build] Tweak configuration for win-clang

build/standalone.gypi

 # 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
@@ skipping 371 matching lines @@
     # fpxx - compatibility mode, it chooses fp32 or fp64 depending on runtime
     #        detection
     'mips_fpu_mode%': 'fp32',
 
     # Indicates if gcmole tools are downloaded by a hook.
     'gcmole%': 0,
   },
   'target_defaults': {
     'variables': {
       'v8_code%': '<(v8_code)',
+      'clang_warning_flags': [],
       'conditions':[
         ['OS=="android"', {
           'host_os%': '<(host_os)',
         }],
       ],
     },
+    'includes': [ 'set_clang_warning_flags.gypi', ],
     'default_configuration': 'Debug',
     'configurations': {
       'DebugBaseCommon': {
         'conditions': [
           ['OS=="aix"', {
             'cflags': [ '-g', '-Og', '-gxcoff' ],
           }, {
             'cflags': [ '-g', '-O0' ],
           }],
         ],
@@ skipping 542 matching lines @@
                   '-Wno-unused-parameter',
                   # Don't warn about the "struct foo f = {0};" initialization
                   # pattern.
                   '-Wno-missing-field-initializers',
 
                   # Many files use intrinsics without including this header.
                   # TODO(hans): Fix those files, or move this to sub-GYPs.
                   '/FIIntrin.h',
 
                   # TODO(hans): Make this list shorter eventually, http://crbug.com/504657
+                  '-Qunused-arguments',  # http://crbug.com/504658
                   '-Wno-microsoft-enum-value',  # http://crbug.com/505296
                   '-Wno-unknown-pragmas',  # http://crbug.com/505314
                   '-Wno-microsoft-cast',  # http://crbug.com/550065
-
+                ],
+              },
+            }],
+            ['clang==1 and MSVS_VERSION == "2013"', {
+              'VCCLCompilerTool': {
+                'AdditionalOptions': [
+                  '-fmsc-version=1800',
+                ],
+              },
+            }],
+            ['clang==1 and MSVS_VERSION == "2015"', {
+              'VCCLCompilerTool': {
+                'AdditionalOptions': [
                   '-fmsc-version=1900',
                 ],
               },
             }],
           ],
         },
       },
     }],  # OS=="win"
     ['OS=="mac"', {
       'xcode_settings': {
@@ skipping 450 matching lines @@
               '-fsanitize=cfi-vcall',
               '-fsanitize=cfi-derived-cast',
               '-fsanitize=cfi-unrelated-cast',
             ],
           }],
         ],
       },
     }],
   ],
 }