Author: nico
Date: Fri Mar 11 09:26:06 2016
New Revision: 263246

URL: http://llvm.org/viewvc/llvm-project?rev=263246&view=rev
Log:
Revert r263036, it's ABI-breaking.

Modified:
    libcxx/trunk/include/string
    libcxx/trunk/test/std/strings/basic.string/string.cons/substr.pass.cpp
    libcxx/trunk/www/cxx1z_status.html

Modified: libcxx/trunk/include/string
URL: 
http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/string?rev=263246&r1=263245&r2=263246&view=diff
==============================================================================
--- libcxx/trunk/include/string (original)
+++ libcxx/trunk/include/string Fri Mar 11 09:26:06 2016
@@ -98,10 +98,8 @@ public:
     basic_string(const basic_string& str);
     basic_string(basic_string&& str)
         noexcept(is_nothrow_move_constructible<allocator_type>::value);
-    basic_string(const basic_string& str, size_type pos,                 // 
LWG#2583
+    basic_string(const basic_string& str, size_type pos, size_type n = npos,
                  const allocator_type& a = allocator_type());
-    basic_string(const basic_string& str, size_type pos, size_type n,    // 
LWG#2583
-                 const Allocator& a = Allocator());             
     basic_string(const value_type* s, const allocator_type& a = 
allocator_type());
     basic_string(const value_type* s, size_type n, const allocator_type& a = 
allocator_type());
     basic_string(size_type n, value_type c, const allocator_type& a = 
allocator_type());
@@ -1399,9 +1397,7 @@ public:
     basic_string(size_type __n, value_type __c);
     _LIBCPP_INLINE_VISIBILITY
     basic_string(size_type __n, value_type __c, const allocator_type& __a);
-    basic_string(const basic_string& __str, size_type __pos, size_type __n,
-                 const allocator_type& __a = allocator_type());
-    basic_string(const basic_string& __str, size_type __pos,
+    basic_string(const basic_string& __str, size_type __pos, size_type __n = 
npos,
                  const allocator_type& __a = allocator_type());
     template<class _InputIterator>
         _LIBCPP_INLINE_VISIBILITY
@@ -2224,20 +2220,6 @@ basic_string<_CharT, _Traits, _Allocator
 #if _LIBCPP_DEBUG_LEVEL >= 2
     __get_db()->__insert_c(this);
 #endif
-}
-
-template <class _CharT, class _Traits, class _Allocator>
-basic_string<_CharT, _Traits, _Allocator>::basic_string(const basic_string& 
__str, size_type __pos,
-                                                        const allocator_type& 
__a)
-    : __r_(__a)
-{
-    size_type __str_sz = __str.size();
-    if (__pos > __str_sz)
-        this->__throw_out_of_range();
-    __init(__str.data() + __pos, __str_sz - __pos);
-#if _LIBCPP_DEBUG_LEVEL >= 2
-    __get_db()->__insert_c(this);
-#endif
 }
 
 template <class _CharT, class _Traits, class _Allocator>

Modified: libcxx/trunk/test/std/strings/basic.string/string.cons/substr.pass.cpp
URL: 
http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/strings/basic.string/string.cons/substr.pass.cpp?rev=263246&r1=263245&r2=263246&view=diff
==============================================================================
--- libcxx/trunk/test/std/strings/basic.string/string.cons/substr.pass.cpp 
(original)
+++ libcxx/trunk/test/std/strings/basic.string/string.cons/substr.pass.cpp Fri 
Mar 11 09:26:06 2016
@@ -11,21 +11,14 @@
 // <string>
 
 // basic_string(const basic_string<charT,traits,Allocator>& str,
-//              size_type pos, size_type n,
-//              const Allocator& a = Allocator());
-//
-// basic_string(const basic_string<charT,traits,Allocator>& str,
-//              size_type pos,
+//              size_type pos, size_type n = npos,
 //              const Allocator& a = Allocator());
 
 #include <string>
 #include <stdexcept>
 #include <algorithm>
-#include <vector>
-#include <scoped_allocator>
 #include <cassert>
 
-#include "test_macros.h"
 #include "test_allocator.h"
 #include "min_allocator.h"
 
@@ -98,20 +91,6 @@ test(S str, unsigned pos, unsigned n, co
     }
 }
 
-#if TEST_STD_VER >= 11
-void test2583()
-{   // LWG #2583
-    typedef std::basic_string<char, std::char_traits<char>, 
test_allocator<char> > StringA;
-    std::vector<StringA, 
std::scoped_allocator_adaptor<test_allocator<StringA>>> vs;
-    StringA s{"1234"};
-    vs.emplace_back(s, 2);
-
-    try { vs.emplace_back(s, 5); }
-    catch (const std::out_of_range&) { return; }
-    assert(false);
-}
-#endif
-
 int main()
 {
     {
@@ -152,7 +131,7 @@ int main()
     
test(S("1234567890123456789012345678901234567890123456789012345678901234567890",
 A(7)), 50, 10, A(8));
     
test(S("1234567890123456789012345678901234567890123456789012345678901234567890",
 A(7)), 50, 100, A(8));
     }
-#if TEST_STD_VER >= 11
+#if __cplusplus >= 201103L
     {
     typedef min_allocator<char> A;
     typedef std::basic_string<char, std::char_traits<char>, A> S;
@@ -191,7 +170,5 @@ int main()
     
test(S("1234567890123456789012345678901234567890123456789012345678901234567890",
 A()), 50, 10, A());
     
test(S("1234567890123456789012345678901234567890123456789012345678901234567890",
 A()), 50, 100, A());
     }
-
-    test2583();
 #endif
 }

Modified: libcxx/trunk/www/cxx1z_status.html
URL: 
http://llvm.org/viewvc/llvm-project/libcxx/trunk/www/cxx1z_status.html?rev=263246&r1=263245&r2=263246&view=diff
==============================================================================
--- libcxx/trunk/www/cxx1z_status.html (original)
+++ libcxx/trunk/www/cxx1z_status.html Fri Mar 11 09:26:06 2016
@@ -227,7 +227,7 @@
        <tr><td><a 
href="http://cplusplus.github.io/LWG/lwg-defects.html#2579";>2579</a></td><td>Inconsistency
 wrt Allocators in <tt>basic_string</tt> assignment vs. 
<tt>basic_string::assign</tt></td><td>Jacksonville</td><td>Complete</td></tr>
        <tr><td><a 
href="http://cplusplus.github.io/LWG/lwg-defects.html#2581";>2581</a></td><td>Specialization
 of <tt>&lt;type_traits&gt;</tt> variable templates should be 
prohibited</td><td>Jacksonville</td><td>Complete</td></tr>
        <tr><td><a 
href="http://cplusplus.github.io/LWG/lwg-defects.html#2582";>2582</a></td><td>&sect;[res.on.functions]/2's
 prohibition against incomplete types shouldn't apply to type 
traits</td><td>Jacksonville</td><td></td></tr>
-       <tr><td><a 
href="http://cplusplus.github.io/LWG/lwg-defects.html#2583";>2583</a></td><td>There
 is no way to supply an allocator for <tt>basic_string(str, 
pos)</tt></td><td>Jacksonville</td><td>Complete</td></tr>
+       <tr><td><a 
href="http://cplusplus.github.io/LWG/lwg-defects.html#2583";>2583</a></td><td>There
 is no way to supply an allocator for <tt>basic_string(str, 
pos)</tt></td><td>Jacksonville</td><td><i></i></td></tr>
        <tr><td><a 
href="http://cplusplus.github.io/LWG/lwg-defects.html#2585";>2585</a></td><td><tt>forward_list::resize(size_type,
 const value_type&amp;)</tt> effects 
incorrect</td><td>Jacksonville</td><td></td></tr>
        <tr><td><a 
href="http://cplusplus.github.io/LWG/lwg-defects.html#2586";>2586</a></td><td>Wrong
 value category used in 
<tt>scoped_allocator_adaptor::construct()</tt></td><td>Jacksonville</td><td></td></tr>
        <tr><td><a 
href="http://cplusplus.github.io/LWG/lwg-defects.html#2590";>2590</a></td><td>Aggregate
 initialization for 
<tt>std::array</tt></td><td>Jacksonville</td><td>Complete</td></tr>


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