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authorJakub Jelinek <jakub@redhat.com>2018-02-20 09:21:36 +0100
committerJakub Jelinek <jakub@gcc.gnu.org>2018-02-20 09:21:36 +0100
commit7f5753d71568610ad29a5cd2af7840d6be26442f (patch)
tree2fd070be67ef41eb656524225c03f066f0772be4 /gcc
parentdda0944cd51484658f2e1d3ec39800fd6709b6af (diff)
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re PR c++/84449 (ICE with constexpr and deleted destructor)
PR c++/84449 * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs returns error_mark_node, return it immediately. (break_out_target_exprs): If cp_walk_tree with bot_manip returns error_mark_node, return error_mark_node. * g++.dg/cpp0x/constexpr-84449.C: New test. From-SVN: r257839
Diffstat (limited to 'gcc')
-rw-r--r--gcc/cp/ChangeLog6
-rw-r--r--gcc/cp/tree.c7
-rw-r--r--gcc/testsuite/ChangeLog3
-rw-r--r--gcc/testsuite/g++.dg/cpp0x/constexpr-84449.C14
4 files changed, 29 insertions, 1 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 726c095..8a786bb 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,5 +1,11 @@
2018-02-20 Jakub Jelinek <jakub@redhat.com>
+ PR c++/84449
+ * tree.c (bot_manip): If build_cplus_new or break_out_target_exprs
+ returns error_mark_node, return it immediately.
+ (break_out_target_exprs): If cp_walk_tree with bot_manip returns
+ error_mark_node, return error_mark_node.
+
PR c++/84455
* pt.c (tsubst_lambda_expr): If not nested, increment temporarily
function_depth to avoid GC during finish_lambda_function.
diff --git a/gcc/cp/tree.c b/gcc/cp/tree.c
index a53bddf..39c1ef2 100644
--- a/gcc/cp/tree.c
+++ b/gcc/cp/tree.c
@@ -2896,6 +2896,8 @@ bot_manip (tree* tp, int* walk_subtrees, void* data)
{
u = build_cplus_new (TREE_TYPE (t), TREE_OPERAND (t, 1),
tf_warning_or_error);
+ if (u == error_mark_node)
+ return u;
if (AGGR_INIT_ZERO_FIRST (TREE_OPERAND (t, 1)))
AGGR_INIT_ZERO_FIRST (TREE_OPERAND (u, 1)) = true;
}
@@ -2913,6 +2915,8 @@ bot_manip (tree* tp, int* walk_subtrees, void* data)
(splay_tree_value) TREE_OPERAND (u, 0));
TREE_OPERAND (u, 1) = break_out_target_exprs (TREE_OPERAND (u, 1));
+ if (TREE_OPERAND (u, 1) == error_mark_node)
+ return error_mark_node;
/* Replace the old expression with the new version. */
*tp = u;
@@ -3025,7 +3029,8 @@ break_out_target_exprs (tree t)
target_remap = splay_tree_new (splay_tree_compare_pointers,
/*splay_tree_delete_key_fn=*/NULL,
/*splay_tree_delete_value_fn=*/NULL);
- cp_walk_tree (&t, bot_manip, target_remap, NULL);
+ if (cp_walk_tree (&t, bot_manip, target_remap, NULL) == error_mark_node)
+ t = error_mark_node;
cp_walk_tree (&t, bot_replace, target_remap, NULL);
if (!--target_remap_count)
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 9c1391e..fd21d3b 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,8 @@
2018-02-20 Jakub Jelinek <jakub@redhat.com>
+ PR c++/84449
+ * g++.dg/cpp0x/constexpr-84449.C: New test.
+
PR c++/84455
* g++.dg/cpp0x/lambda/lambda-ice26.C: New test.
diff --git a/gcc/testsuite/g++.dg/cpp0x/constexpr-84449.C b/gcc/testsuite/g++.dg/cpp0x/constexpr-84449.C
new file mode 100644
index 0000000..f187c42
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/constexpr-84449.C
@@ -0,0 +1,14 @@
+// PR c++/84449
+// { dg-do compile { target c++11 } }
+
+struct A
+{
+ constexpr A (int) {}
+ ~A () = delete;
+};
+
+struct B
+{
+ A a;
+ constexpr B () : a (0) {} // { dg-error "use of deleted function" }
+};