Roll Clang 233105-2:238013-1

build/config/compiler/BUILD.gn

Index: build/config/compiler/BUILD.gn
diff --git a/build/config/compiler/BUILD.gn b/build/config/compiler/BUILD.gn
index dbe2e5744993faa616fb6f8529a5f16e8d07d67b..ff20eb69a89fab68a2dab27606b40643f13a57ba 100644
--- a/build/config/compiler/BUILD.gn
+++ b/build/config/compiler/BUILD.gn
@@ -377,6 +377,13 @@ config("compiler") {
     } else {
       cflags += [ "-funwind-tables" ]
     }
+
+    if (is_clang && !is_nacl && !is_debug) {
+      # Non-unique section names appears to make linker dead stripping
+      # less effective. See http://crbug.com/483026#c20
+      # TODO(hans): Remove this if resolved upstream.
+      cflags += [ "-funique-section-names" ]
+    }
   }
 
   # Linux/Android common flags setup.