Fix FeatureType::ReadOffsets.

Initialize offsets with -1 for invisible scales.

indexer/feature.cpp

@@ -869,6 +869,9 @@ void FeatureType::ReadOffsets(ArrayByteSource & src, uint8_t mask, offsets_t & o
     offsets[index++] = (mask & 0x01) ? ReadVarUint<uint32_t>(src) : kInvalidOffset;
     mask = mask >> 1;
   }
+
+  while (index < offsets.size())
+    offsets[index++] = kInvalidOffset;
 }
 
 void FeatureType::ParseAll(int scale) const

map/framework.cpp

@@ -1081,6 +1081,7 @@ void FrameWork<TModel>::AddRedrawCommandSure()
   void FrameWork<TModel>::Search(string const & text, SearchCallbackT callback) const
   {
     threads::MutexGuard lock(m_modelSyn);
+
     SearchProcessor doClass(text, callback);
     m_model.ForEachFeatureWithScale(m2::RectD(MercatorBounds::minX,
                                               MercatorBounds::minY,

map/map_tests/debug_features_test.cpp

@@ -0,0 +1,19 @@
+#include "../../base/SRC_FIRST.hpp"
+
+#include "../../testing/testing.hpp"
+
+#include "../../indexer/features_vector.hpp"
+
+#include "../../platform/platform.hpp"
+
+
+UNIT_TEST(DebugFeaturesTest_World_6941024)
+{
+  FilesContainerR rCont(GetPlatform().ReadPathForFile("World.mwm"));
+  FeaturesVector vec(rCont);
+
+  FeatureType f;
+  vec.Get(6941024, f);
+
+  f.GetLimitRect(-1);
+}

map/map_tests/map_tests.pro

@@ -23,3 +23,4 @@ SOURCES += \
   ../../testing/testingmain.cpp \
   navigator_test.cpp \
   map_foreach_test.cpp \
+  debug_features_test.cpp \