[build] update Boost to 1.69 and remove RTTI

4 files changed, 2 insertions, 5 deletions

diff --git a/src/mbgl/renderer/layers/render_fill_extrusion_layer.cpp b/src/mbgl/renderer/layers/render_fill_extrusion_layer.cpp
index 99bdc3a8c6..08f35f1c76 100644
--- a/src/mbgl/renderer/layers/render_fill_extrusion_layer.cpp
+++ b/src/mbgl/renderer/layers/render_fill_extrusion_layer.cpp
@@ -136,7 +136,6 @@ void RenderFillExtrusionLayer::render(PaintParameters& parameters, RenderSource*
                     continue;
                 }
                 const auto fillPatternValue = evaluated.get<FillExtrusionPattern>().constantOr(mbgl::Faded<std::basic_string<char> >{"", ""});
-                assert(dynamic_cast<GeometryTile*>(&tile.tile));
                 GeometryTile& geometryTile = static_cast<GeometryTile&>(tile.tile);
                 optional<ImagePosition> patternPosA = geometryTile.getPattern(fillPatternValue.from);
                 optional<ImagePosition> patternPosB = geometryTile.getPattern(fillPatternValue.to);
diff --git a/src/mbgl/renderer/layers/render_fill_layer.cpp b/src/mbgl/renderer/layers/render_fill_layer.cpp
index 3e36561ffb..83989fa012 100644
--- a/src/mbgl/renderer/layers/render_fill_layer.cpp
+++ b/src/mbgl/renderer/layers/render_fill_layer.cpp
@@ -147,7 +147,6 @@ void RenderFillLayer::render(PaintParameters& parameters, RenderSource*) {
         }
         const auto fillPatternValue = evaluated.get<FillPattern>().constantOr(Faded<std::basic_string<char>>{"", ""});
         for (const RenderTile& tile : renderTiles) {
-            assert(dynamic_cast<GeometryTile*>(&tile.tile));
             GeometryTile& geometryTile = static_cast<GeometryTile&>(tile.tile);
             optional<ImagePosition> patternPosA = geometryTile.getPattern(fillPatternValue.from);
             optional<ImagePosition> patternPosB = geometryTile.getPattern(fillPatternValue.to);
diff --git a/src/mbgl/renderer/layers/render_line_layer.cpp b/src/mbgl/renderer/layers/render_line_layer.cpp
index f3947685fe..096afadf7d 100644
--- a/src/mbgl/renderer/layers/render_line_layer.cpp
+++ b/src/mbgl/renderer/layers/render_line_layer.cpp
@@ -128,7 +128,6 @@ void RenderLineLayer::render(PaintParameters& parameters, RenderSource*) {
 
         } else if (!unevaluated.get<LinePattern>().isUndefined()) {
             const auto linePatternValue =  evaluated.get<LinePattern>().constantOr(Faded<std::basic_string<char>>{ "", ""});
-            assert(dynamic_cast<GeometryTile*>(&tile.tile));
             GeometryTile& geometryTile = static_cast<GeometryTile&>(tile.tile);            
             const Size texsize = geometryTile.iconAtlasTexture->size;
 
diff --git a/src/mbgl/sprite/sprite_loader.cpp b/src/mbgl/sprite/sprite_loader.cpp
index df4fe6e8df..ce8fbe5894 100644
--- a/src/mbgl/sprite/sprite_loader.cpp
+++ b/src/mbgl/sprite/sprite_loader.cpp
@@ -55,7 +55,7 @@ void SpriteLoader::load(const std::string& url, Scheduler& scheduler, FileSource
         } else if (res.notModified) {
             return;
         } else if (res.noContent) {
-            loader->json = std::make_shared<const std::string>();
+            loader->json = std::make_shared<std::string>();
             emitSpriteLoadedIfComplete();
         } else {
             // Only trigger a sprite loaded event we got new data.
@@ -70,7 +70,7 @@ void SpriteLoader::load(const std::string& url, Scheduler& scheduler, FileSource
         } else if (res.notModified) {
             return;
         } else if (res.noContent) {
-            loader->image = std::make_shared<const std::string>();
+            loader->image = std::make_shared<std::string>();
             emitSpriteLoadedIfComplete();
         } else {
             loader->image = res.data;