diff -up chromium-59.0.3071.86/build/toolchain/linux/BUILD.gn.ldmemory chromium-59.0.3071.86/build/toolchain/linux/BUILD.gn
--- chromium-59.0.3071.86/build/toolchain/linux/BUILD.gn.ldmemory	2017-06-07 15:37:09.436616113 -0400
+++ chromium-59.0.3071.86/build/toolchain/linux/BUILD.gn	2017-06-07 15:38:04.508519102 -0400
@@ -93,7 +93,7 @@ gcc_toolchain("x86") {
   nm = "nm"
   ar = "ar"
   ld = cxx
-  extra_cppflags = "-fno-delete-null-pointer-checks"
+  extra_cppflags = "-fno-delete-null-pointer-checks -g1"
 
   # Output linker map files for binary size analysis.
   enable_linker_map = true