--- a/build/config/compiler/BUILD.gn
+++ b/build/config/compiler/BUILD.gn
@@ -617,7 +617,7 @@
     # https://crbug.com/484082200 for background and https://crrev.com/c/7593035
     # for discussion.
     if (!is_wasm) {
-      cflags += [ "-fno-lifetime-dse" ]
+      # cflags += [ "-fno-lifetime-dse" ]
     }
 
     # TODO(hans): Remove this once Clang generates better optimized debug info
