re PR c++/16564 (g++ seems to go into an infinite loop after errors)

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.

From-SVN: r215734

diff --git a/gcc/testsuite/g++.dg/template/pr16564.C b/gcc/testsuite/g++.dg/template/pr16564.C
new file mode 100644 (file)
index 0000000..7a34313
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/pr16564.C
@@ -0,0 +1,10 @@
+// { dg-do compile }
+template<typename> struct A
+{
+  A<A> a; /* { dg-error "depth" } */
+  A() {}
+};
+
+A<int> a;
+
+// { dg-prune-output "compilation terminated" }