PR c++/53220

gcc/
	* c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
	about array compound literals.
gcc/cp/
	* call.c (convert_like_real) [ck_list]: Take array address directly.
	* typeck.c (decay_conversion): Reject decay of an array compound
	literal.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187916 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 5 insertions, 1 deletions

diff --git a/gcc/cp/call.c b/gcc/cp/call.c
index daaae2b6ead..5efa57cd759 100644
--- a/gcc/cp/call.c
+++ b/gcc/cp/call.c
@@ -5849,11 +5849,15 @@ convert_like_real (conversion *convs, tree expr, tree fn, int argnum,
 	  (elttype, cp_type_quals (elttype) | TYPE_QUAL_CONST);
 	array = build_array_of_n_type (elttype, len);
 	array = finish_compound_literal (array, new_ctor, complain);
+	/* Take the address explicitly rather than via decay_conversion
+	   to avoid the error about taking the address of a temporary.  */
+	array = cp_build_addr_expr (array, complain);
+	array = cp_convert (build_pointer_type (elttype), array);
 
 	/* Build up the initializer_list object.  */
 	totype = complete_type (totype);
 	field = next_initializable_field (TYPE_FIELDS (totype));
-	CONSTRUCTOR_APPEND_ELT (vec, field, decay_conversion (array, complain));
+	CONSTRUCTOR_APPEND_ELT (vec, field, array);
 	field = next_initializable_field (DECL_CHAIN (field));
 	CONSTRUCTOR_APPEND_ELT (vec, field, size_int (len));
 	new_ctor = build_constructor (totype, vec);