message: Enable -Wc++20-designator
diff: @@ -114,7 +114,6 @@ config("dawn_internal") {
  # Flags for -pedantic warnings that haven't been fixed yet.
  cflags += [
  - "-Wno-c++20-designator",
  "-Wno-four-char-constants",
  "-Wno-gnu-anonymous-struct",
  "-Wno-gnu-zero-variadic-macro-arguments",
  