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| author | Bernd Edlinger <bernd.edlinger@hotmail.de> | 2016-09-28 12:11:57 +0000 |
|---|---|---|
| committer | Bernd Edlinger <edlinger@gcc.gnu.org> | 2016-09-28 12:11:57 +0000 |
| commit | fcf32bad2d611add21e748b4fd93d7cf63660a43 (patch) | |
| tree | 445a2d558d6f2e7556efe65aac05100ca958f92e /gcc | |
| parent | 7d290e93939986665ef12ed083e0e8abb85b37eb (diff) | |
| download | gcc-fcf32bad2d611add21e748b4fd93d7cf63660a43.zip gcc-fcf32bad2d611add21e748b4fd93d7cf63660a43.tar.gz gcc-fcf32bad2d611add21e748b4fd93d7cf63660a43.tar.bz2 | |
re PR c++/77748 (pr77550.C fails on arm-none-eabi)
2016-09-28 Bernd Edlinger <bernd.edlinger@hotmail.de>
PR c++/77748
* g++.dg/pr77550.C: Avoid undefined behavior.
From-SVN: r240573
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/pr77550.C | 11 |
2 files changed, 10 insertions, 4 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index aa03b6d..b942bd6 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,8 @@ 2016-09-28 Bernd Edlinger <bernd.edlinger@hotmail.de> + PR c++/77748 + * g++.dg/pr77550.C: Avoid undefined behavior. + * gcc.dg/tree-ssa/pr68198.c: Fix dg-final. 2016-09-28 Wilco Dijkstra <wdijkstr@arm.com> diff --git a/gcc/testsuite/g++.dg/pr77550.C b/gcc/testsuite/g++.dg/pr77550.C index 4035674..a106473 100644 --- a/gcc/testsuite/g++.dg/pr77550.C +++ b/gcc/testsuite/g++.dg/pr77550.C @@ -1,6 +1,7 @@ // { dg-do run } // { dg-options "-std=c++14 -O3" } +#define enum enum __attribute((mode(SI))) namespace std { typedef int size_t; inline namespace __cxx11 {} @@ -229,15 +230,17 @@ template <typename, typename, typename> struct basic_string { struct _Alloc_hider { _Alloc_hider(pointer, allocator<char> && = allocator<char>()); } _M_dataplus; - size_type _M_string_length; + size_type _M_string_length = 0; enum { _S_local_capacity = 15 } _M_local_buf[_S_local_capacity]; - pointer _M_local_data(); - void _M_set_length(size_type); - basic_string() : _M_dataplus(_M_local_data()) { _M_set_length(0); } + basic_string() : _M_dataplus(0) {} basic_string(const basic_string &) : _M_dataplus(0) {} size_type size() { return _M_string_length; } char *data() const {} }; +//template<> basic_string<char, std::char_traits<char>, std::allocator<char>>:: +//_Alloc_hider::_Alloc_hider(char*, std::allocator<char>&&) {} +extern "C" void +_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderC1EPcOS3_ (...) {} } template <typename _CharT> int operator==(basic_string<_CharT> &p1, const basic_string<_CharT> &p2) { |