Merge remote-tracking branch 'refs/remotes/facebook/dev' into v112

# Conflicts:
#	appveyor.yml

appveyor.yml

@@ -2,7 +2,7 @@ version: 1.0.{build}
 environment:
   matrix:
   - COMPILER: "gcc"
-    MAKE_PARAMS: '"make test && make lib && make -C tests fullbench-dll fullbench-lib"'
+    MAKE_PARAMS: '"make test && make lib && make -C tests test-symbols fullbench-dll fullbench-lib"'
     PLATFORM: "mingw64"
   - COMPILER: "gcc"
     MAKE_PARAMS: "make test"