[Bug c++/77339] [5/6/7 Regression] ICE on invalid C++ code on x86_64-linux-gnu: in cp_parser_type_name, at cp/parser.c:16532

[reichelt at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77339

--- Comment #6 from Volker Reichelt  ---
*** Bug 58987 has been marked as a duplicate of this bug. ***

[Bug c++/77339] [5/6/7 Regression] ICE on invalid C++ code on x86_64-linux-gnu: in cp_parser_type_name, at cp/parser.c:16532

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77339

Jason Merrill  changed:

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
 Resolution|--- |FIXED
   Target Milestone|5.5 |7.0

--- Comment #5 from Jason Merrill  ---
Fixed for GCC 7.

[Bug c++/77339] [5/6/7 Regression] ICE on invalid C++ code on x86_64-linux-gnu: in cp_parser_type_name, at cp/parser.c:16532

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77339

--- Comment #4 from Jason Merrill  ---
Author: jason
Date: Fri Mar 24 14:40:13 2017
New Revision: 246462

URL: https://gcc.gnu.org/viewcvs?rev=246462=gcc=rev
Log:
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.

Added:
trunk/gcc/testsuite/g++.dg/cpp0x/alias-decl-58.C
Modified:
trunk/gcc/cp/ChangeLog
trunk/gcc/cp/pt.c

[Bug c++/77339] [5/6/7 Regression] ICE on invalid C++ code on x86_64-linux-gnu: in cp_parser_type_name, at cp/parser.c:16532

[jason at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77339

Jason Merrill  changed:

   What|Removed |Added

 Status|NEW |ASSIGNED
 CC||jason at gcc dot gnu.org
   Assignee|unassigned at gcc dot gnu.org  |jason at gcc dot gnu.org

[Bug c++/77339] [5/6/7 Regression] ICE on invalid C++ code on x86_64-linux-gnu: in cp_parser_type_name, at cp/parser.c:16532

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77339

Richard Biener  changed:

   What|Removed |Added

   Priority|P3  |P2

[Bug c++/77339] [5/6/7 Regression] ICE on invalid C++ code on x86_64-linux-gnu: in cp_parser_type_name, at cp/parser.c:16532

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77339

--- Comment #3 from Marek Polacek  ---
clang++ says
w.C:4:25: error: type 'A' (aka 'int') cannot be used prior to '::' because
it has no members
template < typename X > A < X >::a;
^
w.C:1:23: note: type alias template 'A' declared here
template < typename > using A = int;
  ^
1 error generated.

[Bug c++/77339] [5/6/7 Regression] ICE on invalid C++ code on x86_64-linux-gnu: in cp_parser_type_name, at cp/parser.c:16532

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77339

--- Comment #2 from Marek Polacek  ---
I'm pretty sure this started with r181118:

commit 370478b178a3bdf01988c16782c90add8aea26aa
Author: dodji 
Date:   Mon Nov 7 21:28:50 2011 +

PR c++/45114 - Support C++11 alias-declaration

[Bug c++/77339] [5/6/7 Regression] ICE on invalid C++ code on x86_64-linux-gnu: in cp_parser_type_name, at cp/parser.c:16532

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77339

Marek Polacek  changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
   Last reconfirmed||2016-08-23
 CC||mpolacek at gcc dot gnu.org
 Ever confirmed|0   |1

--- Comment #1 from Marek Polacek  ---
Confirmed.

[Bug c++/77339] [5/6/7 Regression] ICE on invalid C++ code on x86_64-linux-gnu: in cp_parser_type_name, at cp/parser.c:16532

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77339

Richard Biener  changed:

   What|Removed |Added

   Keywords||ice-on-invalid-code
  Known to work||4.7.4
   Target Milestone|--- |5.5
Summary|ICE on invalid C++ code on  |[5/6/7 Regression] ICE on
   |x86_64-linux-gnu: in|invalid C++ code on
   |cp_parser_type_name, at |x86_64-linux-gnu: in
   |cp/parser.c:16532   |cp_parser_type_name, at
   ||cp/parser.c:16532