Merge branch '3.6.x' into merge-3-6-x

17 files changed, 52 insertions, 41 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
index b8648049..09ab76f7 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -164,7 +164,7 @@ nobase_include_HEADERS =                                         \
 lib_LTLIBRARIES = libprotobuf-lite.la libprotobuf.la libprotoc.la
 
 libprotobuf_lite_la_LIBADD = $(PTHREAD_LIBS)
-libprotobuf_lite_la_LDFLAGS = -version-info 15:1:0 -export-dynamic -no-undefined
+libprotobuf_lite_la_LDFLAGS = -version-info 16:0:0 -export-dynamic -no-undefined
 if HAVE_LD_VERSION_SCRIPT
 libprotobuf_lite_la_LDFLAGS += -Wl,--version-script=$(srcdir)/libprotobuf-lite.map
 EXTRA_libprotobuf_lite_la_DEPENDENCIES = libprotobuf-lite.map
@@ -210,7 +210,7 @@ libprotobuf_lite_la_SOURCES =                                  \
   google/protobuf/io/zero_copy_stream_impl_lite.cc
 
 libprotobuf_la_LIBADD = $(PTHREAD_LIBS)
-libprotobuf_la_LDFLAGS = -version-info 15:1:0 -export-dynamic -no-undefined
+libprotobuf_la_LDFLAGS = -version-info 16:0:0 -export-dynamic -no-undefined
 if HAVE_LD_VERSION_SCRIPT
 libprotobuf_la_LDFLAGS += -Wl,--version-script=$(srcdir)/libprotobuf.map
 EXTRA_libprotobuf_la_DEPENDENCIES = libprotobuf.map
@@ -301,7 +301,7 @@ libprotobuf_la_SOURCES =                                       \
 nodist_libprotobuf_la_SOURCES = $(nodist_libprotobuf_lite_la_SOURCES)
 
 libprotoc_la_LIBADD = $(PTHREAD_LIBS) libprotobuf.la
-libprotoc_la_LDFLAGS = -version-info 15:1:0 -export-dynamic -no-undefined
+libprotoc_la_LDFLAGS = -version-info 16:0:0 -export-dynamic -no-undefined
 if HAVE_LD_VERSION_SCRIPT
 libprotoc_la_LDFLAGS += -Wl,--version-script=$(srcdir)/libprotoc.map
 EXTRA_libprotoc_la_DEPENDENCIES = libprotoc.map
diff --git a/src/google/protobuf/any.pb.h b/src/google/protobuf/any.pb.h
index bc537999..8a4c7f97 100644
--- a/src/google/protobuf/any.pb.h
+++ b/src/google/protobuf/any.pb.h
@@ -8,12 +8,12 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 3005000
+#if GOOGLE_PROTOBUF_VERSION < 3006000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 3005001 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 3006000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/api.pb.h b/src/google/protobuf/api.pb.h
index 5a720cce..0f90f411 100644
--- a/src/google/protobuf/api.pb.h
+++ b/src/google/protobuf/api.pb.h
@@ -8,12 +8,12 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 3005000
+#if GOOGLE_PROTOBUF_VERSION < 3006000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 3005001 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 3006000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/compiler/js/js_generator.cc b/src/google/protobuf/compiler/js/js_generator.cc
index 7109ed5b..dfa60068 100755
--- a/src/google/protobuf/compiler/js/js_generator.cc
+++ b/src/google/protobuf/compiler/js/js_generator.cc
@@ -2962,8 +2962,12 @@ void Generator::GenerateClassDeserializeBinaryField(
     if (value_field->type() == FieldDescriptor::TYPE_MESSAGE) {
       printer->Print(", $messageType$.deserializeBinaryFromReader",
           "messageType", GetMessagePath(options, value_field->message_type()));
+    } else {
+      printer->Print(", null");
     }
-
+    printer->Print(", $defaultKey$",
+          "defaultKey", JSFieldDefault(key_field)
+    );
     printer->Print(");\n");
     printer->Print("         });\n");
   } else {
diff --git a/src/google/protobuf/compiler/plugin.pb.h b/src/google/protobuf/compiler/plugin.pb.h
index 5ad6b4d3..d5b70a88 100644
--- a/src/google/protobuf/compiler/plugin.pb.h
+++ b/src/google/protobuf/compiler/plugin.pb.h
@@ -8,12 +8,12 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 3005000
+#if GOOGLE_PROTOBUF_VERSION < 3006000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 3005001 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 3006000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/descriptor.cc b/src/google/protobuf/descriptor.cc
index dae24f9e..60b2a30e 100644
--- a/src/google/protobuf/descriptor.cc
+++ b/src/google/protobuf/descriptor.cc
@@ -775,10 +775,10 @@ class FileDescriptorTables {
 
   SymbolsByParentMap symbols_by_parent_;
   mutable FieldsByNameMap fields_by_lowercase_name_;
-  mutable FieldsByNameMap* fields_by_lowercase_name_tmp_;
+  std::unique_ptr<FieldsByNameMap> fields_by_lowercase_name_tmp_;
   mutable GoogleOnceDynamic fields_by_lowercase_name_once_;
   mutable FieldsByNameMap fields_by_camelcase_name_;
-  mutable FieldsByNameMap* fields_by_camelcase_name_tmp_;
+  std::unique_ptr<FieldsByNameMap> fields_by_camelcase_name_tmp_;
   mutable GoogleOnceDynamic fields_by_camelcase_name_once_;
   FieldsByNumberMap fields_by_number_;  // Not including extensions.
   EnumValuesByNumberMap enum_values_by_number_;
@@ -1146,10 +1146,8 @@ bool DescriptorPool::Tables::AddFile(const FileDescriptor* file) {
 
 void FileDescriptorTables::FinalizeTables() {
   // Clean up the temporary maps used by AddFieldByStylizedNames().
-  delete fields_by_lowercase_name_tmp_;
-  fields_by_lowercase_name_tmp_ = NULL;
-  delete fields_by_camelcase_name_tmp_;
-  fields_by_camelcase_name_tmp_ = NULL;
+  fields_by_lowercase_name_tmp_ = nullptr;
+  fields_by_camelcase_name_tmp_ = nullptr;
 }
 
 void FileDescriptorTables::AddFieldByStylizedNames(
@@ -1164,7 +1162,7 @@ void FileDescriptorTables::AddFieldByStylizedNames(
   // entries from fields_by_number_.
 
   PointerStringPair lowercase_key(parent, field->lowercase_name().c_str());
-  if (!InsertIfNotPresent(fields_by_lowercase_name_tmp_, lowercase_key,
+  if (!InsertIfNotPresent(fields_by_lowercase_name_tmp_.get(), lowercase_key,
                           field)) {
     InsertIfNotPresent(
         &fields_by_lowercase_name_, lowercase_key,
@@ -1172,7 +1170,7 @@ void FileDescriptorTables::AddFieldByStylizedNames(
   }
 
   PointerStringPair camelcase_key(parent, field->camelcase_name().c_str());
-  if (!InsertIfNotPresent(fields_by_camelcase_name_tmp_, camelcase_key,
+  if (!InsertIfNotPresent(fields_by_camelcase_name_tmp_.get(), camelcase_key,
                           field)) {
     InsertIfNotPresent(
         &fields_by_camelcase_name_, camelcase_key,
diff --git a/src/google/protobuf/descriptor.pb.h b/src/google/protobuf/descriptor.pb.h
index 5e7a05d5..7a8617a2 100644
--- a/src/google/protobuf/descriptor.pb.h
+++ b/src/google/protobuf/descriptor.pb.h
@@ -8,12 +8,12 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 3005000
+#if GOOGLE_PROTOBUF_VERSION < 3006000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 3005001 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 3006000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/duration.pb.h b/src/google/protobuf/duration.pb.h
index 3d0889d1..751edbef 100644
--- a/src/google/protobuf/duration.pb.h
+++ b/src/google/protobuf/duration.pb.h
@@ -8,12 +8,12 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 3005000
+#if GOOGLE_PROTOBUF_VERSION < 3006000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 3005001 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 3006000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/empty.pb.h b/src/google/protobuf/empty.pb.h
index 53857e5f..c3da4fa8 100644
--- a/src/google/protobuf/empty.pb.h
+++ b/src/google/protobuf/empty.pb.h
@@ -8,12 +8,12 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 3005000
+#if GOOGLE_PROTOBUF_VERSION < 3006000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 3005001 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 3006000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/field_mask.pb.h b/src/google/protobuf/field_mask.pb.h
index 144b41fa..7550f7a9 100644
--- a/src/google/protobuf/field_mask.pb.h
+++ b/src/google/protobuf/field_mask.pb.h
@@ -8,12 +8,12 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 3005000
+#if GOOGLE_PROTOBUF_VERSION < 3006000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 3005001 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 3006000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/generated_message_util.h b/src/google/protobuf/generated_message_util.h
index bdaa561b..4da04cae 100644
--- a/src/google/protobuf/generated_message_util.h
+++ b/src/google/protobuf/generated_message_util.h
@@ -335,7 +335,16 @@ struct LIBPROTOBUF_EXPORT SCCInfoBase {
     kRunning = 1,
     kUninitialized = -1,  // initial state
   };
+#ifndef _MSC_VER
   std::atomic<int> visit_status;
+#else
+  // MSVC doesnt make std::atomic constant initialized. This union trick
+  // makes it so.
+  union {
+    int visit_status_to_make_linker_init;
+    std::atomic<int> visit_status;
+  };
+#endif
   int num_deps;
   void (*init_func)();
   // This is followed by an array  of num_deps
diff --git a/src/google/protobuf/source_context.pb.h b/src/google/protobuf/source_context.pb.h
index 16ed21ca..eee1b73f 100644
--- a/src/google/protobuf/source_context.pb.h
+++ b/src/google/protobuf/source_context.pb.h
@@ -8,12 +8,12 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 3005000
+#if GOOGLE_PROTOBUF_VERSION < 3006000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 3005001 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 3006000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/struct.pb.h b/src/google/protobuf/struct.pb.h
index 75665ff2..b2263435 100644
--- a/src/google/protobuf/struct.pb.h
+++ b/src/google/protobuf/struct.pb.h
@@ -8,12 +8,12 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 3005000
+#if GOOGLE_PROTOBUF_VERSION < 3006000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 3005001 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 3006000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/stubs/common.h b/src/google/protobuf/stubs/common.h
index c336383d..5d320764 100644
--- a/src/google/protobuf/stubs/common.h
+++ b/src/google/protobuf/stubs/common.h
@@ -101,27 +101,27 @@ namespace internal {
 
 // The current version, represented as a single integer to make comparison
 // easier:  major * 10^6 + minor * 10^3 + micro
-#define GOOGLE_PROTOBUF_VERSION 3005001
+#define GOOGLE_PROTOBUF_VERSION 3006000
 
 // A suffix string for alpha, beta or rc releases. Empty for stable releases.
 #define GOOGLE_PROTOBUF_VERSION_SUFFIX ""
 
 // The minimum library version which works with the current version of the
 // headers.
-#define GOOGLE_PROTOBUF_MIN_LIBRARY_VERSION 3005000
+#define GOOGLE_PROTOBUF_MIN_LIBRARY_VERSION 3006000
 
 // The minimum header version which works with the current version of
 // the library.  This constant should only be used by protoc's C++ code
 // generator.
-static const int kMinHeaderVersionForLibrary = 3005000;
+static const int kMinHeaderVersionForLibrary = 3006000;
 
 // The minimum protoc version which works with the current version of the
 // headers.
-#define GOOGLE_PROTOBUF_MIN_PROTOC_VERSION 3005000
+#define GOOGLE_PROTOBUF_MIN_PROTOC_VERSION 3006000
 
 // The minimum header version which works with the current version of
 // protoc.  This constant should only be used in VerifyVersion().
-static const int kMinHeaderVersionForProtoc = 3005000;
+static const int kMinHeaderVersionForProtoc = 3006000;
 
 // Verifies that the headers and libraries are compatible.  Use the macro
 // below to call this.
diff --git a/src/google/protobuf/timestamp.pb.h b/src/google/protobuf/timestamp.pb.h
index f73e75b3..daea80f6 100644
--- a/src/google/protobuf/timestamp.pb.h
+++ b/src/google/protobuf/timestamp.pb.h
@@ -8,12 +8,12 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 3005000
+#if GOOGLE_PROTOBUF_VERSION < 3006000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 3005001 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 3006000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/type.pb.h b/src/google/protobuf/type.pb.h
index 69af6c2e..cbd0cdcc 100644
--- a/src/google/protobuf/type.pb.h
+++ b/src/google/protobuf/type.pb.h
@@ -8,12 +8,12 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 3005000
+#if GOOGLE_PROTOBUF_VERSION < 3006000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 3005001 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 3006000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/wrappers.pb.h b/src/google/protobuf/wrappers.pb.h
index 9f51a062..b00d4ea9 100644
--- a/src/google/protobuf/wrappers.pb.h
+++ b/src/google/protobuf/wrappers.pb.h
@@ -8,12 +8,12 @@
 
 #include <google/protobuf/stubs/common.h>
 
-#if GOOGLE_PROTOBUF_VERSION < 3005000
+#if GOOGLE_PROTOBUF_VERSION < 3006000
 #error This file was generated by a newer version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please update
 #error your headers.
 #endif
-#if 3005001 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
+#if 3006000 < GOOGLE_PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers.  Please
 #error regenerate this file with a newer version of protoc.