V8 ABI checking build config patch

gistfile1.txt

diff --git a/BUILD.gn b/BUILD.gn
index 98e035fc6a..161e81a183 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -568,6 +568,10 @@ config("v8_gcov_coverage_ldflags") {
   ldflags = [ "-fprofile-arcs" ]
 }
 
+config("v8_dump") {
+  cflags = [ "-Og", "-g" ]
+}
+
 ###############################################################################
 # Actions
 #
diff --git a/gni/v8.gni b/gni/v8.gni
index ce9953ac68..2613bb3e2d 100644
--- a/gni/v8.gni
+++ b/gni/v8.gni
@@ -80,7 +80,7 @@ v8_add_configs = [
 
 if (is_debug && !v8_optimized_debug) {
   v8_remove_configs += [ "//build/config/compiler:default_optimization" ]
-  v8_add_configs += [ "//build/config/compiler:no_optimize" ]
+  v8_add_configs += [ "//build/config/compiler:no_optimize", v8_path_prefix + ":v8_dump" ]
 } else {
   v8_remove_configs += [ "//build/config/compiler:default_optimization" ]