[Bug c++/33480] [gdb, c++] Gdb hang on "whatis std::string::npos" with prettyprinter

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=33480

--- Comment #2 from Tom de Vries <vries at gcc dot gnu.org> ---
Tentative patch:
...
@@ -165,7 +165,7 @@ inspect_type (struct demangle_parse_info *info,
        {
          const char *new_name = (*finder) (otype, data);

-         if (new_name != NULL)
+         if (new_name != NULL && strcmp (new_name, name) != 0)
            {
              ret_comp->u.s_name.s = new_name;
              ret_comp->u.s_name.len = strlen (new_name);
...

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