Update sparsehash to 4cb924025b8c622d1a1e11f4c1e9db15410c75fb

See: https://github.com/sparsehash/sparsehash

vendor/sparsehash/current/.gitignore

@@ -0,0 +1,3 @@
+*.Po
+*.o
+*.dSYM/*

vendor/sparsehash/current/AUTHORS

@@ -1,2 +1,2 @@
-opensource@google.com
+google-sparsehash@googlegroups.com
 

vendor/sparsehash/current/ChangeLog

@@ -1,3 +1,135 @@
+Mon Oct 12 21:00:00 2015 Google Inc. <google-sparsehash@googlegroups.com>
+
+	* sparsehash: version 2.0.3
+	* Fix compilation on modern compilers and operating systems
+
+Thu Feb 23 23:47:18 2012 Google Inc. <google-sparsehash@googlegroups.com>
+
+	* sparsehash: version 2.0.2
+	* BUGFIX: Fix backwards compatibility for <google> include folders
+
+Wed Feb 01 02:57:48 2012 Google Inc. <google-sparsehash@googlegroups.com>
+
+	* sparsehash: version 2.0.1
+	* BUGFIX: Fix path to malloc_extension.h in time_hash_map.cc
+
+Tue Jan 31 11:33:04 2012  Google Inc. <google-sparsehash@googlegroups.com>
+
+	* sparsehash: version 2.0
+	* Renamed include directory from google/ to sparsehash/ (csilvers)
+	* Changed the 'official' sparsehash email in setup.py/etc
+	* Renamed google-sparsehash.sln to sparsehash.sln
+	* Changed copyright text to reflect Google's relinquished ownership
+
+Tue Dec 20 21:04:04 2011  Google Inc. <opensource@google.com>
+
+	* sparsehash: version 1.12 release
+	* Add support for serializing/unserializing dense_hash_map/set to disk
+	* New simpler and more flexible serialization API
+	* Be more consistent about clearing on unserialize() even if it fails
+	* Quiet some compiler warnings about unused variables
+	* Add a timing test for iterating (suggested by google code issue 77)
+	* Add offset_to_pos, the opposite of pos_to_offset, to sparsetable
+	* PORTING: Add some missing #includes, needed on some systems
+	* Die at configure-time when g++ isn't installed
+	* Successfully make rpm's even when dpkg is missing
+	* Improve deleted key test in util/gtl/{dense,sparse}hashtable
+	* Update automake to 1.10.1, and autoconf to 2.62
+
+Thu Jun 23 21:12:58 2011  Google Inc. <opensource@google.com>
+
+	* sparsehash: version 1.11 release
+	* Improve performance on pointer keys by ignoring always-0 low bits
+	* Fix missing $(top_srcdir) in Makefile.am, which broke some compiles
+	* BUGFIX: Fix a crashing typo-bug in swap()
+	* PORTING: Remove support for old compilers that do not use 'std'
+	* Add some new benchmarks to test for a place dense_hash_* does badly
+	* Some cosmetic changes due to a switch to a new releasing tool
+
+Thu Jan 20 16:07:39 2011  Google Inc. <opensource@google.com>
+
+	* sparsehash: version 1.10 release
+	* Follow ExtractKey return type, allowing it to return a reference
+	* PORTING: fix MSVC 10 warnings (constifying result_type, placement-new)
+	* Update from autoconf 2.61 to autoconf 2.65
+
+Fri Sep 24 11:37:50 2010  Google Inc. <opensource@google.com>
+
+	* sparsehash: version 1.9 release
+	* Add is_enum; make all enums PODs by default (romanp)
+	* Make find_or_insert() usable directly (dawidk)
+	* Use zero-memory trick for allocators to reduce space use (guilin)
+	* Fix some compiler warnings (chandlerc, eraman)
+	* BUGFIX: int -> size_type in one function we missed (csilvers)
+	* Added sparsehash.pc, for pkg-config (csilvers)
+
+Thu Jul 29 15:01:29 2010  Google Inc. <opensource@google.com>
+
+	* sparsehash: version 1.8.1 release
+	* Remove -Werror from Makefile: gcc 4.3 gives spurious warnings
+
+Thu Jul 29 09:53:26 2010  Google Inc. <opensource@google.com>
+
+	* sparsehash: version 1.8 release
+	* More support for Allocator, including allocator ctor arg (csilvers)
+	* Repack hasthable vars to reduce container size *more* (giao)
+	* Speed up clear() (csilvers)
+	* Change HT_{OCCUPANCY,SHRINK}_FLT from float to int (csilvers)
+	* Revamp test suite for more complete code & timing coverage (csilvers)
+	* BUGFIX: Enforce max_size for dense/sparse_hashtable (giao, csilvers)
+	* BUGFIX: Raise exception instead of crashing on overflow (csilvers)
+	* BUGFIX: Allow extraneous const in key type (csilvers)
+	* BUGFIX: Allow same functor for both hasher and key_equals (giao)
+	* PORTING: remove is_convertible, which gives AIX cc fits (csilvers)
+	* PORTING: Renamed README.windows to README_windows.txt (csilvers)
+	* Created non-empty NEWS file (csilvers)
+
+Wed Mar 31 12:32:03 2010  Google Inc. <opensource@google.com>
+
+	* sparsehash: version 1.7 release
+	* Add support for Allocator (guilin)
+	* Add libc_allocator_with_realloc as the new default allocator (guilin)
+	* Repack {sparse,dense}hashtable vars to reduce container size (giao)
+	* BUGFIX: operator== no longer requires same table ordering (csilvers)
+	* BUGFIX: fix dense_hash_*(it,it) by requiring empty-key too (csilvers)
+	* PORTING: fix language bugs that gcc allowed (csilvers, chandlerc)
+	* Update from autoconf 2.61 to autoconf 2.64
+
+Fri Jan  8 14:47:55 2010  Google Inc. <opensource@google.com>
+
+	* sparsehash: version 1.6 release
+	* New accessor methods for deleted_key, empty_key (sjackman)
+	* Use explicit hash functions in sparsehash tests (csilvers)
+	* BUGFIX: Cast resize to fix SUNWspro bug (csilvers)
+	* Check for sz overflow in min_size (csilvers)
+	* Speed up clear() for dense and sparse hashtables (jeff)
+	* Avoid shrinking in all cases when min-load is 0 (shaunj, csilvers)
+	* Improve densehashtable code for the deleted key (gpike)
+	* BUGFIX: Fix operator= when the 2 empty-keys differ (andreidam)
+	* BUGFIX: Fix ht copying when empty-key isn't set (andreidam)
+	* PORTING: Use TmpFile() instead of /tmp on MinGW (csilvers)
+	* PORTING: Use filenames that work with Stratus VOS.
+
+Tue May 12 14:16:38 2009  Google Inc. <opensource@google.com>
+
+	* sparsehash: version 1.5.2 release
+	* Fix compile error: not initializing set_key in all constructors
+
+Fri May  8 15:23:44 2009  Google Inc. <opensource@google.com>
+
+	* sparsehash: version 1.5.1 release
+	* Fix broken equal_range() for all the hash-classes (csilvers)
+
+Wed May  6 11:28:49 2009  Google Inc. <opensource@google.com>
+
+	* sparsehash: version 1.5 release
+	* Support the tr1 unordered_map (and unordered_set) API (csilvers)
+	* Store only key for delkey; reduces need for 0-arg c-tor (csilvers)
+	* Prefer unordered_map to hash_map for the timing test (csilvers)
+	* PORTING: update the resource use for 64-bit machines (csilvers)
+	* PORTING: fix MIN/MAX collisions by un-#including windows.h (csilvers)
+	* Updated autoconf version to 2.61 and libtool version to 1.5.26
+
 Wed Jan 28 17:11:31 2009  Google Inc. <opensource@google.com>
 
 	* sparsehash: version 1.4 release