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re PR c++/58525 (__cxa_throw_bad_array_new_length is generated with -fno-exceptions)

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PR c++/58525
	* call.c (build_operator_new_call): Add flag_exceptions check.
	* decl.c (compute_array_index_type): Ditto.
	* init.c (build_new_1): Ditto.
	(build_vec_init): Ditto.

From-SVN: r205310
This commit is contained in:
Alexander Ivchenko 2013-11-23 16:28:42 +00:00 committed by Jason Merrill
parent 4417887978
commit f391b44b19
4 changed files with 13 additions and 4 deletions
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8
gcc/cp/ChangeLog
View File

@ -1,3 +1,11 @@
2013-11-23 Alexander Ivchenko <alexander.ivchenko@intel.com>
PR c++/58525
* call.c (build_operator_new_call): Add flag_exceptions check.
* decl.c (compute_array_index_type): Ditto.
* init.c (build_new_1): Ditto.
(build_vec_init): Ditto.
2013-11-22 Jakub Jelinek <jakub@redhat.com>
* cp-gimplify.c: Include target.h and c-family/c-ubsan.h.

2
gcc/cp/call.c
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@ -3956,7 +3956,7 @@ build_operator_new_call (tree fnname, vec<tree, va_gc> **args,
if (size_check != NULL_TREE)
{
tree errval = TYPE_MAX_VALUE (sizetype);
if (cxx_dialect >= cxx11)
if (cxx_dialect >= cxx11 && flag_exceptions)
errval = throw_bad_array_new_length ();
*size = fold_build3 (COND_EXPR, sizetype, size_check,
original_size, errval);

2
gcc/cp/decl.c
View File

@ -8393,7 +8393,7 @@ compute_array_index_type (tree name, tree size, tsubst_flags_t complain)
stabilize_vla_size (itype);
if (cxx_dialect >= cxx1y)
if (cxx_dialect >= cxx1y && flag_exceptions)
{
/* If the VLA bound is larger than half the address space,
or less than zero, throw std::bad_array_length. */

5
gcc/cp/init.c
View File

@ -2528,7 +2528,7 @@ build_new_1 (vec<tree, va_gc> **placement, tree type, tree nelts,
}
/* Perform the overflow check. */
tree errval = TYPE_MAX_VALUE (sizetype);
if (cxx_dialect >= cxx11)
if (cxx_dialect >= cxx11 && flag_exceptions)
errval = throw_bad_array_new_length ();
if (outer_nelts_check != NULL_TREE)
size = fold_build3 (COND_EXPR, sizetype, outer_nelts_check,
@ -3398,7 +3398,8 @@ build_vec_init (tree base, tree maxindex, tree init,
is big enough for all the initializers. */
if (init && TREE_CODE (init) == CONSTRUCTOR
&& CONSTRUCTOR_NELTS (init) > 0
&& !TREE_CONSTANT (maxindex))
&& !TREE_CONSTANT (maxindex)
&& flag_exceptions)
length_check = fold_build2 (LT_EXPR, boolean_type_node, maxindex,
size_int (CONSTRUCTOR_NELTS (init) - 1));