diff -up chromium-70.0.3538.67/sandbox/linux/BUILD.gn.sandboxpie chromium-70.0.3538.67/sandbox/linux/BUILD.gn
--- chromium-70.0.3538.67/sandbox/linux/BUILD.gn.sandboxpie	2018-10-18 12:14:05.766939769 -0400
+++ chromium-70.0.3538.67/sandbox/linux/BUILD.gn	2018-10-18 12:16:37.820027182 -0400
@@ -315,10 +315,16 @@ if (is_linux) {
       # For ULLONG_MAX
       "-std=gnu99",
 
+      "-fPIE",
+
       # These files have a suspicious comparison.
       # TODO fix this and re-enable this warning.
       "-Wno-sign-compare",
     ]
+
+    ldflags = [
+      "-pie",
+    ]
   }
 }