if fn := n.Fun.Sym().Name; base.Flag.CompilingRuntime && fn == "throw" ||
				n.Fun.Sym().Pkg == ir.Pkgs.Runtime &&
					(fn == "throwinit" || fn == "gopanic" || fn == "panicwrap" || fn == "block" ||
						fn == "panicmakeslicelen" || fn == "panicmakeslicecap" || fn == "panicunsafeslicelen" ||
						fn == "panicunsafeslicenilptr" || fn == "panicunsafestringlen" || fn == "panicunsafestringnilptr" ||
						fn == "panicrangestate") {
				m := s.mem()