for _, pattern := range e.Patterns {
			files, ok := base.Flag.Cfg.Embed.Patterns[pattern]
			if !ok {
				base.ErrorfAt(e.Pos, 0, "invalid go:embed: build system did not map pattern: %s", pattern)
			}
			for _, file := range files {
				if base.Flag.Cfg.Embed.Files[file] == "" {
					base.ErrorfAt(e.Pos, 0, "invalid go:embed: build system did not map file: %s", file)
					continue
				}
				if !have[file] {

			funcs[fn] = nowritebarrierrecCall{}
			q.PushRight(fn.Nname)
		}
		// Check go:nowritebarrier functions.
		if fn.Pragma&ir.Nowritebarrier != 0 && fn.WBPos.IsKnown() {
			base.ErrorfAt(fn.WBPos, 0, "write barrier prohibited")
		}
	}

	// Perform a BFS of the call graph from all
	// go:nowritebarrierrec functions.
	enqueue := func(src, target *ir.Func, pos src.XPos) {