added valgrind.suppress to suppress false positives reported by valgrind.

Author: agentzh

t/SRegex.pm

@@ -76,7 +76,9 @@ sub run_test ($) {
 
     if ($UseValgrind) {
         warn "$name\n";
-        @cmd =  ('valgrind', '-q', '--leak-check=full', @cmd);
+        @cmd =  ('valgrind', '--gen-suppressions=all',
+                 '--suppressions=valgrind.suppress',
+                 '--show-possibly-lost=no', '-q', '--leak-check=full', @cmd);
     }
 
     run3 \@cmd, \$stdin, \$res, \$err;

valgrind.suppress

@@ -0,0 +1,11 @@
+{
+   <insert_a_suppression_name_here>
+   Memcheck:Cond
+   fun:index
+   fun:expand_dynamic_string_token
+   fun:_dl_map_object
+   fun:map_doit
+   fun:_dl_catch_error
+   fun:do_preload
+   fun:dl_main
+}