[build] Roll build a3b623a:11a223f

This also ports some build overrides including:
https://codereview.chromium.org/2512043002/

BUG=chromium:659726

Review-Url: https://codereview.chromium.org/2532043002
Cr-Commit-Position: refs/heads/master@{#41347}

.gn

@@ -2,6 +2,8 @@
 # tree and to set startup options. For documentation on the values set in this
 # file, run "gn help dotfile" at the command line.
 
+import("//build/dotfile_settings.gni")
+
 # The location of the build configuration file.
 buildconfig = "//build/config/BUILDCONFIG.gn"
 
@@ -19,30 +21,5 @@ check_targets = []
 # These are the list of GN files that run exec_script. This whitelist exists
 # to force additional review for new uses of exec_script, which is strongly
 # discouraged except for gypi_to_gn calls.
-exec_script_whitelist = [
-  "//build/config/android/BUILD.gn",
-  "//build/config/android/config.gni",
-  "//build/config/android/internal_rules.gni",
-  "//build/config/android/rules.gni",
-  "//build/config/BUILD.gn",
-  "//build/config/compiler/BUILD.gn",
-  "//build/config/gcc/gcc_version.gni",
-  "//build/config/ios/ios_sdk.gni",
-  "//build/config/linux/atk/BUILD.gn",
-  "//build/config/linux/BUILD.gn",
-  "//build/config/linux/pkg_config.gni",
-  "//build/config/mac/mac_sdk.gni",
-  "//build/config/posix/BUILD.gn",
-  "//build/config/sysroot.gni",
-  "//build/config/win/BUILD.gn",
-  "//build/config/win/visual_studio_version.gni",
-  "//build/gn_helpers.py",
-  "//build/gypi_to_gn.py",
-  "//build/toolchain/concurrent_links.gni",
-  "//build/toolchain/gcc_toolchain.gni",
-  "//build/toolchain/mac/BUILD.gn",
-  "//build/toolchain/win/BUILD.gn",
-  "//build/util/branding.gni",
-  "//build/util/version.gni",
-  "//test/test262/BUILD.gn",
-]
+exec_script_whitelist =
+    build_dotfile_settings.exec_script_whitelist + [ "//test/test262/BUILD.gn" ]

DEPS

@@ -8,7 +8,7 @@ vars = {
 
 deps = {
   "v8/build":
-    Var("chromium_url") + "/chromium/src/build.git" + "@" + "a3b623a6eff6dc9d58a03251ae22bccf92f67cb2",
+    Var("chromium_url") + "/chromium/src/build.git" + "@" + "11a223f35ffd36274037647b239e7cc3cd7e7e3b",
   "v8/tools/gyp":
     Var("chromium_url") + "/external/gyp.git" + "@" + "e7079f0e0e14108ab0dba58728ff219637458563",
   "v8/third_party/icu":

build_overrides/build.gni

@@ -24,3 +24,9 @@ linux_use_bundled_binutils_override = true
 asan_suppressions_file = "//build/sanitizers/asan_suppressions.cc"
 lsan_suppressions_file = "//build/sanitizers/lsan_suppressions.cc"
 tsan_suppressions_file = "//build/sanitizers/tsan_suppressions.cc"
+
+# Skip assertions about 4GiB file size limit.
+ignore_elf32_limitations = true
+
+# Use the system install of Xcode for tools like ibtool, libtool, etc.
+use_system_xcode = true