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call.c (build_over_call): Don't create a save_expr of an aggregate, but rather its address. 

* call.c (build_over_call): Don't create a save_expr of an
        aggregate, but rather its address.

From-SVN: r75414
This commit is contained in:
Richard Henderson 2004-01-04 21:37:06 -08:00 committed by Richard Henderson
parent 2b6c260d73
commit 88401f735c
2 changed files with 20 additions and 9 deletions
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5
gcc/cp/ChangeLog
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@ -1,3 +1,8 @@
2004-01-04 Richard Henderson <rth@redhat.com>
* call.c (build_over_call): Don't create a save_expr of an
aggregate, but rather its address.
2004-01-04 Mark Mitchell <mark@codesourcery.com>
PR c++/13529

24
gcc/cp/call.c
View File

@ -4667,18 +4667,24 @@ build_over_call (struct z_candidate *cand, int flags)
{
/* We must only copy the non-tail padding parts. Use
CLASSTYPE_AS_BASE for the bitwise copy. */
tree to_as_base, arg_as_base, base_ptr_type;
tree to_ptr, arg_ptr, to_as_base, arg_as_base, base_ptr_type;
tree save_to;
to_ptr = save_expr (build_unary_op (ADDR_EXPR, to, 0));
arg_ptr = build_unary_op (ADDR_EXPR, arg, 0);
to = save_expr (to);
base_ptr_type = build_pointer_type (as_base);
to_as_base = build_indirect_ref
(build_nop (base_ptr_type, build_unary_op (ADDR_EXPR, to, 0)), 0);
arg_as_base = build_indirect_ref
(build_nop (base_ptr_type, build_unary_op (ADDR_EXPR, arg, 0)), 0);
to_as_base = build_nop (base_ptr_type, to_ptr);
to_as_base = build_indirect_ref (to_as_base, 0);
arg_as_base = build_nop (base_ptr_type, arg_ptr);
arg_as_base = build_indirect_ref (arg_as_base, 0);
save_to = build_indirect_ref (to_ptr, 0);
val = build (MODIFY_EXPR, as_base, to_as_base, arg_as_base);
val = build (COMPOUND_EXPR, type, convert_to_void (val, NULL), to);
TREE_USED (val) = 1;
val = convert_to_void (val, NULL);
val = build (COMPOUND_EXPR, type, val, save_to);
TREE_NO_UNUSED_WARNING (val) = 1;
}
return val;