Test clang 10.0.1 C++17 - xcode 10.2

.travis.yml

@@ -422,6 +422,14 @@ matrix:
     - compiler: clang
       os: osx
       env: SWIGLANG=tcl
+    - compiler: clang
+      os: osx
+      env: SWIGLANG=java CPP17=1
+      osx_image: xcode10.2
+    - compiler: clang
+      os: osx
+      env: SWIGLANG=python PY3=3 CPP17=1
+      osx_image: xcode10.2
 
   allow_failures:
     # seg fault in director_basic testcase

Tools/travis-osx-install.sh

@@ -27,9 +27,6 @@ case "$SWIGLANG" in
 		;;
 	"python")
 		WITHLANG=$SWIGLANG$PY3
-		if [[ "$PY3" ]]; then
-			travis_retry brew upgrade python
-		fi
 		;;
 esac