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| author | Jason Merrill <jason@redhat.com> | 2017-03-24 10:40:13 -0400 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2017-03-24 10:40:13 -0400 |
| commit | 90471a3d8330dff361297f72fa95c157e26ea345 (patch) | |
| tree | bb40fb80c4ddb65fe7477355925839b462a06956 | |
| parent | c8b1fbc12a6a7249f93a985c697c8e0edeb2a6d5 (diff) | |
| download | gcc-90471a3d8330dff361297f72fa95c157e26ea345.zip gcc-90471a3d8330dff361297f72fa95c157e26ea345.tar.gz gcc-90471a3d8330dff361297f72fa95c157e26ea345.tar.bz2 | |
PR c++/77339 - ICE with invalid use of alias template.
* pt.c (lookup_template_class_1): Don't try to enter the scope of an
alias template.
From-SVN: r246462
| -rw-r--r-- | gcc/cp/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/cp/pt.c | 4 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/cpp0x/alias-decl-58.C | 7 |
3 files changed, 15 insertions, 2 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index f8e711b..ea1eaa7 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,9 @@ +2017-03-24 Jason Merrill <jason@redhat.com> + + PR c++/77339 - ICE with invalid use of alias template. + * pt.c (lookup_template_class_1): Don't try to enter the scope of an + alias template. + 2017-03-24 Marek Polacek <polacek@redhat.com> PR c++/80119 diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c index 5259dad..cbe8082 100644 --- a/gcc/cp/pt.c +++ b/gcc/cp/pt.c @@ -8682,9 +8682,9 @@ lookup_template_class_1 (tree d1, tree arglist, tree in_decl, tree context, || !PRIMARY_TEMPLATE_P (gen_tmpl) || currently_open_class (template_type)) { - tree tinfo = TYPE_TEMPLATE_INFO_MAYBE_ALIAS (template_type); + tree tinfo = TYPE_TEMPLATE_INFO (template_type); - if (comp_template_args (TI_ARGS (tinfo), arglist)) + if (tinfo && comp_template_args (TI_ARGS (tinfo), arglist)) return template_type; } diff --git a/gcc/testsuite/g++.dg/cpp0x/alias-decl-58.C b/gcc/testsuite/g++.dg/cpp0x/alias-decl-58.C new file mode 100644 index 0000000..0ae1c49 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp0x/alias-decl-58.C @@ -0,0 +1,7 @@ +// PR c++/77339 +// { dg-do compile { target c++11 } } + +template < typename > using A = int; + +//OK: template < typename X > A < X > a; +template < typename X > A < X >::a; // { dg-error "" } |