Merge "Greatly reduce build warning spam." into main

		"-Wno-range-loop-construct",                 // http://b/153747076

		"-Wno-zero-as-null-pointer-constant",        // http://b/68236239

		"-Wno-deprecated-anon-enum-enum-conversion", // http://b/153746485

		"-Wno-deprecated-enum-enum-conversion",

		"-Wno-pessimizing-move", // http://b/154270751

		// New warnings to be fixed after clang-r399163

		"-Wno-non-c-typedef-for-linkage", // http://b/161304145

		// New warnings to be fixed after clang-r475365

		"-Wno-error=single-bit-bitfield-constant-conversion", // http://b/243965903

		"-Wno-error=enum-constexpr-conversion",               // http://b/243964282

		// Irrelevant on Android because _we_ don't use exceptions, but causes

		// lots of build noise because libcxx/libcxxabi do. This can probably

		// go away when we're on a new enough libc++, but has to be global

		// until then because it causes warnings in the _callers_, not the

		// project itself.

		"-Wno-deprecated-dynamic-exception-spec",

	}

	noOverride64GlobalCflags = []string{}

		// http://b/239661264

		"-Wno-deprecated-non-prototype",

		"-Wno-unused",

		"-Wno-deprecated",

	}

	// Similar to noOverrideGlobalCflags, but applies only to third-party code