h2load: Workaround with clang-3.4

src/h2load.cc

@@ -899,14 +899,12 @@ int client_select_next_proto_cb(SSL *ssl, unsigned char **out,
 } // namespace
 
 namespace {
-template <typename Iterator>
-std::vector<std::string> parse_uris(Iterator first, Iterator last) {
+// Use std::vector<std::string>::iterator explicitly, without that,
+// http_parser_url u{} fails with clang-3.4.
+std::vector<std::string> parse_uris(std::vector<std::string>::iterator first,
+                                    std::vector<std::string>::iterator last) {
   std::vector<std::string> reqlines;
 
-  // First URI is treated specially.  We use scheme, host and port of
-  // this URI and ignore those in the remaining URIs if present.
-  http_parser_url u{};
-
   if (first == last) {
     std::cerr << "no URI available" << std::endl;
     exit(EXIT_FAILURE);
@@ -915,6 +913,9 @@ std::vector<std::string> parse_uris(Iterator first, Iterator last) {
   auto uri = (*first).c_str();
   ++first;
 
+  // First URI is treated specially.  We use scheme, host and port of
+  // this URI and ignore those in the remaining URIs if present.
+  http_parser_url u{};
   if (http_parser_parse_url(uri, strlen(uri), 0, &u) != 0 ||
       !util::has_uri_field(u, UF_SCHEMA) || !util::has_uri_field(u, UF_HOST)) {
     std::cerr << "invalid URI: " << uri << std::endl;