diff options
| author | mpolacek <mpolacek@138bc75d-0d04-0410-961f-82ee72b054a4> | 2017-02-22 19:31:49 +0000 |
|---|---|---|
| committer | mpolacek <mpolacek@138bc75d-0d04-0410-961f-82ee72b054a4> | 2017-02-22 19:31:49 +0000 |
| commit | aba254d025f229a70fd96429adc6c88cf0a4a005 (patch) | |
| tree | c8ac56e87a30aaa556489b6ede9d585044030122 /gcc/cp/pt.c | |
| parent | 70d4d06ab769be93edec3f15117b434829591b64 (diff) | |
PR c++/79653
* parser.c (cp_parser_std_attribute_spec): Don't build the attribute
if the alignas expression is erroneous.
* pt.c (tsubst_attribute): If tsubst_pack_expansion fails, return
error_mark_node.
* g++.dg/cpp0x/alignas10.C: New test.
* g++.dg/cpp0x/alignas9.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@245657 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cp/pt.c')
| -rw-r--r-- | gcc/cp/pt.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c index 38a01e168a7..5b0f62d3832 100644 --- a/gcc/cp/pt.c +++ b/gcc/cp/pt.c @@ -10012,6 +10012,8 @@ tsubst_attribute (tree t, tree *decl_p, tree args, /* An attribute pack expansion. */ tree purp = TREE_PURPOSE (t); tree pack = tsubst_pack_expansion (val, args, complain, in_decl); + if (pack == error_mark_node) + return error_mark_node; int len = TREE_VEC_LENGTH (pack); tree list = NULL_TREE; tree *q = &list; |