https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68273
--- Comment #22 from Richard Biener <rguenth at gcc dot gnu.org> ---
If -fno-ipa-sra helps can you try
Index: gcc/tree-sra.c
===================================================================
--- gcc/tree-sra.c (revision 233268)
+++ gcc/tree-sra.c (working copy)
@@ -4696,7 +4696,7 @@ get_replaced_param_substitute (struct ip
{
char *pretty_name = make_fancy_name (adj->base);
- repl = create_tmp_reg (TREE_TYPE (adj->base), "ISR");
+ repl = create_tmp_reg (TYPE_MAIN_VARIANT (TREE_TYPE (adj->base)),
"ISR");
DECL_NAME (repl) = get_identifier (pretty_name);
obstack_free (&name_obstack, pretty_name);
as well?
