Update .travis.yml

.travis.yml

@@ -24,8 +24,8 @@ compiler:
 env:
  - TOOLS=OFF
  - TOOLS=ASAN    # Address sanitizer
- - TOOLS=MSAN    # Memory sanitizer
- - TOOLS=UBSAN   # Undefined-behaviour sanitizer
+# - TOOLS=MSAN    # Memory sanitizer              (commented out because it requires rebuilding the standard library!)
+# - TOOLS=UBSAN   # Undefined-behaviour sanitizer (commented out due to failures in boost: /usr/include/boost/serialization/singleton.hpp:132:13: runtime error: reference binding to null pointer of type 'const boost::serialization::extended_type_info_typeid<cath::score::aligned_pair_score>')
 # - TOOLS="ANALYZE" # Use scan_build, which builds with Clang's static analyzer
 
 matrix:
@@ -41,12 +41,12 @@ matrix:
 # )
   allow_failures:
     - compiler: gcc
-  exclude:
-    # ATM, GCC doesn't implement the memory sanitizer
-    - compiler: gcc
-      env: TOOLS=MSAN
+#  exclude:
+#    # ATM, GCC doesn't implement the memory sanitizer
 #    - compiler: gcc
-#      env: TOOLS="ANALYZE"
+#      env: TOOLS=MSAN
+##    - compiler: gcc
+##      env: TOOLS="ANALYZE"
 
 install:
   - if [ "$CXX"   == "g++"     ]; then export CXX="g++-4.9"     CC="gcc-4.9"   ; fi