https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96905
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Tried
--- gcc/cp/semantics.c.jj 2020-09-01 09:17:50.000000000 +0200
+++ gcc/cp/semantics.c 2020-09-03 21:20:20.678830381 +0200
@@ -4517,7 +4517,7 @@ expand_or_defer_fn_1 (tree fn)
return false;
}
- if (DECL_OMP_DECLARE_REDUCTION_P (fn))
+ if (DECL_IMMEDIATE_FUNCTION_P (fn) || DECL_OMP_DECLARE_REDUCTION_P (fn))
return false;
return true;
--- gcc/cp/decl2.c.jj 2020-07-28 15:39:09.780759362 +0200
+++ gcc/cp/decl2.c 2020-09-03 21:23:15.973278453 +0200
@@ -2172,7 +2172,7 @@ void
mark_needed (tree decl)
{
TREE_USED (decl) = 1;
- if (TREE_CODE (decl) == FUNCTION_DECL)
+ if (TREE_CODE (decl) == FUNCTION_DECL && !DECL_IMMEDIATE_FUNCTION_P (decl))
{
/* Extern inline functions don't become needed when referenced.
If we know a method will be emitted in other TU and no new
--- gcc/cp/pt.c.jj 2020-09-01 09:17:28.042110726 +0200
+++ gcc/cp/pt.c 2020-09-03 21:14:14.497159429 +0200
@@ -23891,8 +23891,10 @@ mark_decl_instantiated (tree result, int
{
mark_definable (result);
mark_needed (result);
+ if (DECL_IMMEDIATE_FUNCTION_P (result))
+ ;
/* Always make artificials weak. */
- if (DECL_ARTIFICIAL (result) && flag_weak)
+ else if (DECL_ARTIFICIAL (result) && flag_weak)
comdat_linkage (result);
/* For WIN32 we also want to put explicit instantiations in
linkonce sections. */
but that is still not enough, the above are just some hacks to avoid creating
cgraph nodes for immediate functions, but e.g. c_parse_final_cleanups still
creates them.
