https://gcc.gnu.org/bugzilla/show_bug.cgi?id=41089
--- Comment #59 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to vries from comment #58)
> Given the fix of PR64950, we should be able to remove the workaround
> committed for this PR.
I have started bootstrap/regtest with the following revert:
--cut here--
Index: config/alpha/alpha.c
===================================================================
--- config/alpha/alpha.c (revision 222228)
+++ config/alpha/alpha.c (working copy)
@@ -5957,10 +5957,6 @@ alpha_build_builtin_va_list (void)
integer_type_node);
DECL_FIELD_CONTEXT (ofs) = record;
DECL_CHAIN (ofs) = space;
- /* ??? This is a hack, __offset is marked volatile to prevent
- DCE that confuses stdarg optimization and results in
- gcc.c-torture/execute/stdarg-1.c failure. See PR 41089. */
- TREE_THIS_VOLATILE (ofs) = 1;
base = build_decl (BUILTINS_LOCATION,
FIELD_DECL, get_identifier ("__base"),
--cut here--
