[Bug c++/16564] g++ seems to go into an infinite loop after errors

[paolo at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=16564

--- Comment #26 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> ---
Author: paolo
Date: Tue Sep 30 17:11:38 2014
New Revision: 215734

URL: https://gcc.gnu.org/viewcvs?rev=215734&root=gcc&view=rev
Log:
cp/
2014-09-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>

       PR c++/16564
       * error.c (print_instantiation_context): Delete.
       * typeck2.c (build_x_arrow): Record location when pushing
       template instantiation.
       * pt.c (push_tinst_level): Make it a wrapper around ...
       (push_tinst_level_loc): ... this. New function. Make excessive
       template instantiation depth a fatal error. Record location. Use
       bool as return type.
       (instantiate_pending_templates): Make excessive
       template instantiation depth a fatal error.
       (problematic_instantiation_changed): Use bool as return type.
       * cp-tree.h (print_instantiation_context): Delete.
       (push_tinst_level): Update declaration.
       (problematic_instantiation_changed): Likewise.
       (push_tinst_level_loc): New.

testsuite/
2014-09-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>

       PR c++/16564
       * lib/gcc.exp: Accept "fatal error:" as error prefix.
       * lib/g++.exp: Likewise.
       * lib/obj-c++.exp: Likewise.
       * lib/objc.exp: Likewise.
       * g++.dg/template/pr16564.C: New test.

2014-09-30  Paolo Carlini  <paolo.carlini@oracle.com>

    PR c++/16564
    * g++.dg/cpp0x/decltype26.C: Adjust.
    * g++.dg/cpp0x/decltype28.C: Likewise.
    * g++.dg/cpp0x/decltype29.C: Likewise.
    * g++.dg/cpp0x/decltype32.C: Likewise.
    * g++.dg/cpp0x/enum11.C: Likewise.
    * g++.dg/template/arrow1.C: Likewise.
    * g++.dg/template/pr23510.C: Likewise.
    * g++.dg/template/recurse.C: Likewise.
    * g++.dg/template/recurse2.C: Likewise.
    * g++.dg/template/vtable2.C: Likewise.
    * g++.old-deja/g++.pt/infinite1.C: Likewise.

Added:
    trunk/gcc/testsuite/g++.dg/template/pr16564.C