diff -up chromium-54.0.2840.59/build/toolchain/linux/BUILD.gn.ldmemory chromium-54.0.2840.59/build/toolchain/linux/BUILD.gn
--- chromium-54.0.2840.59/build/toolchain/linux/BUILD.gn.ldmemory	2016-10-19 15:56:20.253096784 -0400
+++ chromium-54.0.2840.59/build/toolchain/linux/BUILD.gn	2016-10-19 15:58:17.940833948 -0400
@@ -71,7 +71,7 @@ gcc_toolchain("x86") {
   nm = "nm"
   ar = "ar"
   ld = cxx
-  extra_cppflags = "-fno-delete-null-pointer-checks"
+  extra_cppflags = "-fno-delete-null-pointer-checks -g1"
 
   toolchain_args = {
     current_cpu = "x86"