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re PR c++/53401 ([C++11] internal compiler error: Segmentation fault on infinite argument deduction of constexpr templates)

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2016-05-23  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/53401
	* g++.dg/cpp0x/decltype64.C: New.

From-SVN: r236581
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Paolo Carlini 2016-05-23 09:23:42 +00:00 • committed by Paolo Carlini
parent a25a8058d5
commit e4b7111409
2 changed files with 37 additions and 0 deletions
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gcc/testsuite/ChangeLog
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2016-05-23 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/53401
* g++.dg/cpp0x/decltype64.C: New.
2016-05-23 Christophe Lyon <christophe.lyon@linaro.org>
* gcc.target/aarch64/advsimd-intrinsics/vreinterpret.c: Add fp16 tests.

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gcc/testsuite/g++.dg/cpp0x/decltype64.C Normal file
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// PR c++/53401
// { dg-do compile { target c++11 } }
template<int I>
struct index
{};
constexpr int recursive_impl(index<0u>)
{
return 0;
}
template<int N>
constexpr auto recursive_impl(index<N>)
-> decltype(recursive_impl(index<N - 1>())) // { dg-error "depth" }
{
return recursive_impl(index<N - 1>());
}
template<int N>
constexpr auto recursive()
-> decltype(recursive_impl(index<N>()))
{
return recursive_impl(index<N>());
}
void f(int i)
{
recursive<1>(); // { dg-message "from here" }
}
// { dg-prune-output "compilation terminated" }