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re PR c++/65186 (internal compiler error: in tsubst, at cp/pt.c:11738) 

Fix PR c++/65186

gcc/cp/ChangeLog: 
	PR c++/65186
	* pt.c (invalid_nontype_parm_type_p): Accept a bound template
	template parm type under C++11 and later.

gcc/testsuite/ChangeLog:

	PR c++/65186
	* g++.dg/template/pr65186.C: New test.

From-SVN: r225749
This commit is contained in:
Patrick Palka 2015-07-13 20:35:53 +00:00
parent 795038b722
commit 15d6614a16
4 changed files with 42 additions and 0 deletions
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6
gcc/cp/ChangeLog
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@ -1,3 +1,9 @@
2015-07-13 Patrick Palka <ppalka@gcc.gnu.org>
PR c++/65186
* pt.c (invalid_nontype_parm_type_p): Accept a bound template
template parm type under C++11 and later.
2015-07-12 Aldy Hernandez <aldyh@redhat.com>
* call.c: Fix double word typos.

5
gcc/cp/pt.c
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@ -20996,6 +20996,11 @@ invalid_nontype_parm_type_p (tree type, tsubst_flags_t complain)
return 0;
else if (TREE_CODE (type) == NULLPTR_TYPE)
return 0;
/* A bound template template parm could later be instantiated to have a valid
nontype parm type via an alias template. */
else if (cxx_dialect >= cxx11
&& TREE_CODE (type) == BOUND_TEMPLATE_TEMPLATE_PARM)
return 0;
if (complain & tf_error)
{

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2015-07-13 Patrick Palka <ppalka@gcc.gnu.org>
PR c++/65186
* g++.dg/template/pr65186.C: New test.
2015-07-13 Mantas Mikaitis <mantas.mikaitis@arm.com>
* gcc.target/arm/macro_defs0.c: Add directive to skip

26
gcc/testsuite/g++.dg/template/pr65186.C Normal file
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@ -0,0 +1,26 @@
// { dg-do compile { target c++11 } }
// PR c++/65186
template<typename A, A x, A y>
using Id = int;
template<
typename A,
A x,
A y,
Id<A, x, y> p,
template<A a, A b, Id<A, a, b>> class C,
C<x, x, x> // { dg-bogus "not a valid type" }
> using J = C<x, y, p>;
template<class A>
using Z = A;
template<
template <class> class A,
A<int> B // { dg-bogus "not a valid type" }
>
struct C { };
C<Z, 5> a;