Index: src/binutils/windres.c
===================================================================
--- src.orig/binutils/windres.c
+++ src/binutils/windres.c
@@ -1080,9 +1080,23 @@ set_endianess (bfd *abfd, const char *ta
     if (arches && tname)
       {
 	const char ** arch = arches;
+	char *hyp = strchr (tname, '-');
+	char *new_tname = NULL;
+
+	if (hyp != NULL)
+	  {
+	    tname = hyp + 1;
+	    hyp = strchr (tname, '-');
+	    if (hyp != NULL)
+	      {
+		size_t nlen = hyp - tname;
+		new_tname = (char *) alloca (nlen + 1);
+		memcpy (new_tname, tname, nlen);
+		new_tname[nlen] = '\0';
+		tname = new_tname;
+	      }
+	  }
 
-	if (strchr (tname, '-') != NULL)
-	  tname = strchr (tname, '-') + 1;
 	while (*arch != NULL)
 	  {
 	    const char *in_a = strstr (*arch, tname);