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re PR c++/79790 ([C++17] ICE class template argument deduction failed)

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/cp
2017-08-04  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/79790
	* pt.c (do_class_deduction): Handle the case of no viable implicit
	deduction guides; simplify the code generating implicit deduction
	guides.

/testsuite
2017-08-04  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/79790
	* g++.dg/cpp1z/class-deduction42.C: New.

From-SVN: r250883
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Paolo Carlini 2017-08-04 22:15:48 +00:00 committed by Paolo Carlini
parent 67695c075d
commit 23d12941a3
2 changed files with 11 additions and 1 deletions
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2017-08-04 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/79790
* g++.dg/cpp1z/class-deduction42.C: New.
* g++.dg/cpp1z/class-deduction43.C: New.
2017-08-04 Yury Gribov <tetra2005@gmail.com>

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gcc/testsuite/g++.dg/cpp1z/class-deduction43.C Normal file
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// PR c++/79790
// { dg-options -std=c++1z }
template <int N>
struct array
{
int a [N];
};
array a = { 1, 2, 3 }; // { dg-error "cannot deduce" }