https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105634
Marek Polacek <mpolacek at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |mpolacek at gcc dot
gnu.org
--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Fix:
--- a/gcc/cp/call.cc
+++ b/gcc/cp/call.cc
@@ -10329,6 +10329,8 @@ maybe_warn_class_memaccess (location_t loc, tree
fndecl,
/* Finally, warn on partial copies. */
unsigned HOST_WIDE_INT typesize
= tree_to_uhwi (TYPE_SIZE_UNIT (desttype));
+ if (typesize == 0)
+ break;
if (unsigned HOST_WIDE_INT partial = tree_to_uhwi (sz) % typesize)
warned = warning_at (loc, OPT_Wclass_memaccess,
(typesize - partial > 1
