diff options
| author | Paolo Carlini <paolo.carlini@oracle.com> | 2016-01-22 11:03:54 +0000 |
|---|---|---|
| committer | Paolo Carlini <paolo@gcc.gnu.org> | 2016-01-22 11:03:54 +0000 |
| commit | 4696899f42bb40f21b99879542be04ce65cc0b33 (patch) | |
| tree | 542066d88458ded64aefbc0b8bed8648f6f8132b | |
| parent | bac69366a544c3fb9de8f1ca048b286181865133 (diff) | |
| download | gcc-4696899f42bb40f21b99879542be04ce65cc0b33.zip gcc-4696899f42bb40f21b99879542be04ce65cc0b33.tar.gz gcc-4696899f42bb40f21b99879542be04ce65cc0b33.tar.bz2 | |
re PR c++/55843 (ICE after exceeding template instantiation depth)
2016-01-22 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/55843
* g++.dg/template/pr55843.C: New.
From-SVN: r232721
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/template/pr55843.C | 27 |
2 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index cdffd24..29a048d 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2016-01-22 Paolo Carlini <paolo.carlini@oracle.com> + + PR c++/55843 + * g++.dg/template/pr55843.C: New. + 2016-01-22 Alan Lawrence <alan.lawrence@arm.com> PR testsuite/66877 diff --git a/gcc/testsuite/g++.dg/template/pr55843.C b/gcc/testsuite/g++.dg/template/pr55843.C new file mode 100644 index 0000000..e1691d5 --- /dev/null +++ b/gcc/testsuite/g++.dg/template/pr55843.C @@ -0,0 +1,27 @@ +// { dg-options "-ftemplate-depth-8" } + +template< typename T > struct type_wrapper { +}; +typedef char (&yes_tag)[2]; +template<bool b> struct if_c { +}; +template< typename T > struct has_type { + struct gcc_3_2_wknd { + template< typename U > static yes_tag test( type_wrapper<U> const volatile* +, type_wrapper<typename U::type>* = 0 ); + }; + typedef type_wrapper<T> t_; + static const bool value = sizeof(gcc_3_2_wknd::test(static_cast<t_*>(0))) == +sizeof(yes_tag); +}; +template <class K, class T, class=void> struct Get_type { +}; +struct FT_tag {}; +struct RT_tag {}; +template <class K> struct Get_type<K, RT_tag, typename if_c< +!has_type<Get_type<K, FT_tag> >::value >::type> { }; +template <class K> struct Get_type<K, FT_tag, typename if_c< +!has_type<Get_type<K, RT_tag> >::value >::type> { }; // { dg-error "depth" } +typedef Get_type<int, FT_tag>::type P; + +// { dg-prune-output "compilation terminated" } |