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Core DR 1442 PR c++/59165

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/cp
2014-01-03  Paolo Carlini  <paolo.carlini@oracle.com>

	Core DR 1442
	PR c++/59165
	* parser.c (cp_parser_perform_range_for_lookup): Don't pass true
	as include_std to perform_koenig_lookup.
	(cp_parser_postfix_expression): Adjust.
	* pt.c (tsubst_copy_and_build): Likewise.
	* semantics.c (perform_koenig_lookup): Remove bool parameter.
	(omp_reduction_lookup): Adjust.
	* name-lookup.c (lookup_arg_dependent_1): Remove bool parameter.
	(lookup_arg_dependent): Likewise.
	(lookup_function_nonclass): Adjust.
	* name-lookup.h: Adjust declaration.
	* cp-tree.h: Likewise.

/testsuite
2014-01-03  Paolo Carlini  <paolo.carlini@oracle.com>

	Core DR 1442
	PR c++/59165
	* g++.dg/cpp0x/range-for28.C: New.
	* g++.dg/cpp0x/range-for3.C: Update.

From-SVN: r206313
This commit is contained in:
Paolo Carlini 2014-01-03 11:11:31 +00:00 committed by Paolo Carlini
parent 039eee3f12
commit cdc23b1b20
10 changed files with 46 additions and 23 deletions
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16
gcc/cp/ChangeLog
View File

@ -1,3 +1,19 @@
2014-01-03 Paolo Carlini <paolo.carlini@oracle.com>
Core DR 1442
PR c++/59165
* parser.c (cp_parser_perform_range_for_lookup): Don't pass true
as include_std to perform_koenig_lookup.
(cp_parser_postfix_expression): Adjust.
* pt.c (tsubst_copy_and_build): Likewise.
* semantics.c (perform_koenig_lookup): Remove bool parameter.
(omp_reduction_lookup): Adjust.
* name-lookup.c (lookup_arg_dependent_1): Remove bool parameter.
(lookup_arg_dependent): Likewise.
(lookup_function_nonclass): Adjust.
* name-lookup.h: Adjust declaration.
* cp-tree.h: Likewise.
2014-01-02 Marc Glisse <marc.glisse@inria.fr>
PR c++/59087

2
gcc/cp/cp-tree.h
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@ -5744,7 +5744,7 @@ extern tree finish_stmt_expr_expr (tree, tree);
extern tree finish_stmt_expr (tree, bool);
extern tree stmt_expr_value_expr (tree);
bool empty_expr_stmt_p (tree);
extern tree perform_koenig_lookup (tree, vec<tree, va_gc> *, bool,
extern tree perform_koenig_lookup (tree, vec<tree, va_gc> *,
tsubst_flags_t);
extern tree finish_call_expr (tree, vec<tree, va_gc> **, bool,
bool, tsubst_flags_t);

12
gcc/cp/name-lookup.c
View File

@ -4879,7 +4879,7 @@ lookup_function_nonclass (tree name, vec<tree, va_gc> *args, bool block_p)
return
lookup_arg_dependent (name,
lookup_name_real (name, 0, 1, block_p, 0, 0),
args, false);
args);
}
tree
@ -5578,8 +5578,7 @@ arg_assoc (struct arg_lookup *k, tree n)
are the functions found in normal lookup. */
static tree
lookup_arg_dependent_1 (tree name, tree fns, vec<tree, va_gc> *args,
bool include_std)
lookup_arg_dependent_1 (tree name, tree fns, vec<tree, va_gc> *args)
{
struct arg_lookup k;
@ -5617,8 +5616,6 @@ lookup_arg_dependent_1 (tree name, tree fns, vec<tree, va_gc> *args,
else
k.fn_set = NULL;
if (include_std)
arg_assoc_namespace (&k, std_node);
arg_assoc_args_vec (&k, args);
fns = k.functions;
@ -5643,13 +5640,12 @@ lookup_arg_dependent_1 (tree name, tree fns, vec<tree, va_gc> *args,
/* Wrapper for lookup_arg_dependent_1. */
tree
lookup_arg_dependent (tree name, tree fns, vec<tree, va_gc> *args,
bool include_std)
lookup_arg_dependent (tree name, tree fns, vec<tree, va_gc> *args)
{
tree ret;
bool subtime;
subtime = timevar_cond_start (TV_NAME_LOOKUP);
ret = lookup_arg_dependent_1 (name, fns, args, include_std);
ret = lookup_arg_dependent_1 (name, fns, args);
timevar_cond_stop (TV_NAME_LOOKUP, subtime);
return ret;
}

2
gcc/cp/name-lookup.h
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@ -338,7 +338,7 @@ extern void do_toplevel_using_decl (tree, tree, tree);
extern void do_local_using_decl (tree, tree, tree);
extern tree do_class_using_decl (tree, tree);
extern void do_using_directive (tree);
extern tree lookup_arg_dependent (tree, tree, vec<tree, va_gc> *, bool);
extern tree lookup_arg_dependent (tree, tree, vec<tree, va_gc> *);
extern bool is_associated_namespace (tree, tree);
extern void parse_using_directive (tree, tree);
extern tree innermost_non_namespace_value (tree);

4
gcc/cp/parser.c
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@ -6076,7 +6076,6 @@ cp_parser_postfix_expression (cp_parser *parser, bool address_p, bool cast_p,
if (!any_type_dependent_arguments_p (args))
postfix_expression
= perform_koenig_lookup (postfix_expression, args,
/*include_std=*/false,
complain);
}
else
@ -6102,7 +6101,6 @@ cp_parser_postfix_expression (cp_parser *parser, bool address_p, bool cast_p,
if (!any_type_dependent_arguments_p (args))
postfix_expression
= perform_koenig_lookup (postfix_expression, args,
/*include_std=*/false,
complain);
}
}
@ -10356,12 +10354,10 @@ cp_parser_perform_range_for_lookup (tree range, tree *begin, tree *end)
vec_safe_push (vec, range);
member_begin = perform_koenig_lookup (id_begin, vec,
/*include_std=*/true,
tf_warning_or_error);
*begin = finish_call_expr (member_begin, &vec, false, true,
tf_warning_or_error);
member_end = perform_koenig_lookup (id_end, vec,
/*include_std=*/true,
tf_warning_or_error);
*end = finish_call_expr (member_end, &vec, false, true,
tf_warning_or_error);

3
gcc/cp/pt.c
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@ -14490,8 +14490,7 @@ tsubst_copy_and_build (tree t,
into a non-dependent call. */
&& type_dependent_expression_p_push (t)
&& !any_type_dependent_arguments_p (call_args))
function = perform_koenig_lookup (function, call_args, false,
tf_none);
function = perform_koenig_lookup (function, call_args, tf_none);
if (identifier_p (function)
&& !any_type_dependent_arguments_p (call_args))

10
gcc/cp/semantics.c
View File

@ -2041,12 +2041,10 @@ empty_expr_stmt_p (tree expr_stmt)
/* Perform Koenig lookup. FN is the postfix-expression representing
the function (or functions) to call; ARGS are the arguments to the
call; if INCLUDE_STD then the `std' namespace is automatically
considered an associated namespace (used in range-based for loops).
Returns the functions to be considered by overload resolution. */
call. Returns the functions to be considered by overload resolution. */
tree
perform_koenig_lookup (tree fn, vec<tree, va_gc> *args, bool include_std,
perform_koenig_lookup (tree fn, vec<tree, va_gc> *args,
tsubst_flags_t complain)
{
tree identifier = NULL_TREE;
@ -2083,7 +2081,7 @@ perform_koenig_lookup (tree fn, vec<tree, va_gc> *args, bool include_std,
if (!any_type_dependent_arguments_p (args)
&& !any_dependent_template_arguments_p (tmpl_args))
{
fn = lookup_arg_dependent (identifier, functions, args, include_std);
fn = lookup_arg_dependent (identifier, functions, args);
if (!fn)
{
/* The unqualified name could not be resolved. */
@ -4643,7 +4641,7 @@ omp_reduction_lookup (location_t loc, tree id, tree type, tree *baselinkp,
{
vec<tree, va_gc> *args = NULL;
vec_safe_push (args, build_reference_type (type));
id = perform_koenig_lookup (id, args, false, tf_none);
id = perform_koenig_lookup (id, args, tf_none);
}
}
else if (TREE_CODE (id) == SCOPE_REF)

7
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,10 @@
2014-01-03 Paolo Carlini <paolo.carlini@oracle.com>
Core DR 1442
PR c++/59165
* g++.dg/cpp0x/range-for28.C: New.
* g++.dg/cpp0x/range-for3.C: Update.
2014-01-02 Joseph Myers <joseph@codesourcery.com>
* gcc.target/powerpc/rs6000-ldouble-3.c: New test.

11
gcc/testsuite/g++.dg/cpp0x/range-for28.C Normal file
View File

@ -0,0 +1,11 @@
// PR c++/59165
// { dg-require-effective-target c++11 }
namespace std {
int* begin(int i) { return (int*)0; }
int* end(int i) { return (int*)0; }
}
int main() {
for (int a : 10) { } // { dg-error "was not declared" }
}

2
gcc/testsuite/g++.dg/cpp0x/range-for3.C
View File

@ -36,7 +36,7 @@ namespace std
int main()
{
container c(1,4);
for (int it : c)
for (int it : c) // { dg-error "was not declared" }
{
}
}