attempt to remove a workaround

Bug: 623236
Change-Id: I7d914fd314685b0e874e515a48dfcd1819c895d2
Reviewed-on: https://chromium-review.googlesource.com/1067602Reviewed-by: Thomas Anderson <thomasanderson@chromium.org>
Commit-Queue: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#560376}

build/config/compiler/BUILD.gn

@@ -381,20 +381,10 @@ config("compiler") {
       "-Wl,-z,relro",
     ]
     if (!using_sanitizer) {
-      ldflags += [ "-Wl,-z,defs" ]
-
-      # Functions interposed by the sanitizers can make ld think
-      # that some libraries aren't needed when they actually are,
-      # http://crbug.com/234010. As workaround, disable --as-needed.
-      if (!is_nacl && !is_android) {
-        # TODO(pcc): Fix linker bug which requires us to link pthread
-        # unconditionally here (crbug.com/623236).
-        ldflags += [
-          "-Wl,--no-as-needed",
-          "-lpthread",
-        ]
-      }
-      ldflags += [ "-Wl,--as-needed" ]
+      ldflags += [
+        "-Wl,-z,defs",
+        "-Wl,--as-needed",
+      ]
     }
   }