diff --git a/gcc/opts-common.c b/gcc/opts-common.c
index 6cb5602896d9..5e10edeb4cfc 100644
--- a/gcc/opts-common.c
+++ b/gcc/opts-common.c
@@ -766,6 +766,7 @@ decode_cmdline_option (const char *const *argv, unsigned int lang_mask,
       werror_arg[0] = 'W';
 
       size_t warning_index = find_opt (werror_arg, lang_mask);
+      free (werror_arg);
       if (warning_index != OPT_SPECIAL_unknown)
 	{
 	  const struct cl_option *warning_option
diff --git a/gcc/opts.c b/gcc/opts.c
index fc5f61e13cce..24bb64198c89 100644
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -3401,8 +3401,11 @@ char *
 gen_producer_string (const char *language_string, cl_decoded_option *options,
 		     unsigned int options_count)
 {
-  return concat (language_string, " ", version_string, " ",
-		 gen_command_line_string (options, options_count), NULL);
+  char *cmdline = gen_command_line_string (options, options_count);
+  char *combined = concat (language_string, " ", version_string, " ",
+			   cmdline, NULL);
+  free (cmdline);
+  return combined;
 }
 
 #if CHECKING_P