On 03/10/2016 01:39 PM, Jakub Jelinek wrote:
+ /* Don't reuse the result of cxx_eval_constant_expression
+ call if it isn't a constant initializer or if it requires
+ relocations. */
Let's phrase this positively ("Reuse the result if...").
+ if (new_ctx.ctor != ctx->ctor)
+ eltinit = new_ctx.ctor;
+ for (i = 1; i < max; ++i)
+ {
+ idx = build_int_cst (size_type_node, i);
+ CONSTRUCTOR_APPEND_ELT (*p, idx, eltinit);
+ }
This is going to use the same CONSTRUCTOR for all the elements, which
will lead to problems if we then store into a subobject of one of the
elements and see that reflected in all the others as well. We need to
unshare_expr when reusing the initializer.
Jason