cp-demangle.c (cplus_demangle_v3): Check that it's a v3 mangled name before…

cp-demangle.c (cplus_demangle_v3): Check that it's a v3 mangled name before allocating the dyn_string.

        * cp-demangle.c (cplus_demangle_v3): Check that it's a v3 mangled
        name before allocating the dyn_string.

From-SVN: r38043

libiberty/ChangeLog

+2000-12-05  Jason Merrill  <jason@redhat.com>
+
+	* cp-demangle.c (cplus_demangle_v3): Check that it's a v3 mangled
+	name before allocating the dyn_string.
+
 2000-12-04  Jason Merrill  <jason@redhat.com>
 
 	* cp-demangle.c: s/new_abi/v3/.

libiberty/cp-demangle.c

@@ -3600,10 +3600,18 @@ char *
 cplus_demangle_v3 (mangled)
      const char* mangled;
 {
+  dyn_string_t demangled;
+  status_t status;
+
+  /* If this isn't a mangled name, don't pretend to demangle it.  */
+  if (strncmp (mangled, "_Z", 2) != 0)
+    return NULL;
+
   /* Create a dyn_string to hold the demangled name.  */
-  dyn_string_t demangled = dyn_string_new (0);
+  demangled = dyn_string_new (0);
   /* Attempt the demangling.  */
-  status_t status = cp_demangle ((char *) mangled, demangled);
+  status = cp_demangle ((char *) mangled, demangled);
+
   if (STATUS_NO_ERROR (status))
     /* Demangling succeeded.  */
     {