HI, I am new in gcc codebase. Can you explain please why we can't just use
TREE_TYPE(parm) for TEMLATE_TEMPLATE_PARM and why DECL_INITIAL is needed
for it? I tried to debug Bug 114377 and it seems to work fine. Thanks

--- a/gcc/cp/pt.cc
+++ b/gcc/cp/pt.cc
@@ -11032,10 +11032,7 @@ find_template_parameter_info::found (tree parm)
 {
   if (TREE_CODE (parm) == TREE_LIST)
     parm = TREE_VALUE (parm);
-  if (TREE_CODE (parm) == TYPE_DECL)
-    parm = TREE_TYPE (parm);
-  else
-    parm = DECL_INITIAL (parm);
+  parm = TREE_TYPE(parm);
   gcc_checking_assert (TEMPLATE_PARM_P (parm));
   return parms.contains (parm);
 }