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authorJason Merrill <jason@redhat.com>2011-12-17 15:15:39 -0500
committerJason Merrill <jason@gcc.gnu.org>2011-12-17 15:15:39 -0500
commit9bd98b5ac355c21583e5de8eed090ef3aeb7cecc (patch)
tree34c747692c890bf8e4dabba390c070ee385be2b9 /gcc
parentc0425f32f5e469d41e5e1c899f20839fdeffe0f1 (diff)
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re PR c++/51586 (ICE with invalid union)
PR c++/51586 * parser.c (cp_parser_check_class_key): Handle error_mark_node. From-SVN: r182442
Diffstat (limited to 'gcc')
-rw-r--r--gcc/cp/ChangeLog3
-rw-r--r--gcc/cp/parser.c2
-rw-r--r--gcc/testsuite/ChangeLog3
-rw-r--r--gcc/testsuite/g++.dg/lookup/nested2.C6
4 files changed, 14 insertions, 0 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index a63aa16..898a6bf 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,5 +1,8 @@
2011-12-17 Jason Merrill <jason@redhat.com>
+ PR c++/51586
+ * parser.c (cp_parser_check_class_key): Handle error_mark_node.
+
PR c++/51587
* decl.c (start_enum): Avoid using ENUM_UNDERLYING_TYPE on a
non-enum.
diff --git a/gcc/cp/parser.c b/gcc/cp/parser.c
index 30c7745..ac7427e 100644
--- a/gcc/cp/parser.c
+++ b/gcc/cp/parser.c
@@ -22624,6 +22624,8 @@ cp_parser_token_is_class_key (cp_token* token)
static void
cp_parser_check_class_key (enum tag_types class_key, tree type)
{
+ if (type == error_mark_node)
+ return;
if ((TREE_CODE (type) == UNION_TYPE) != (class_key == union_type))
{
permerror (input_location, "%qs tag used in naming %q#T",
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 71194f5..066121d 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,8 @@
2011-12-17 Jason Merrill <jason@redhat.com>
+ PR c++/51586
+ * g++.dg/lookup/nested2.C: New.
+
PR c++/51587
* g++.dg/parse/enum6.C: New.
diff --git a/gcc/testsuite/g++.dg/lookup/nested2.C b/gcc/testsuite/g++.dg/lookup/nested2.C
new file mode 100644
index 0000000..361a0c7
--- /dev/null
+++ b/gcc/testsuite/g++.dg/lookup/nested2.C
@@ -0,0 +1,6 @@
+// PR c++/51586
+
+union U
+{
+ union U { int i; }; // { dg-error "same name" }
+};