fixed #201 - see this comment: https://github.com/onqtam/doctest/pull…

…/285/files#r333711432

.travis.yml

@@ -375,8 +375,8 @@ script:
   - cmake -DDOCTEST_TEST_MODE=NORMAL .
 
   - export ASAN_OPTIONS=verbosity=2:strict_string_checks=true:detect_odr_violation=2:detect_stack_use_after_return=true:check_initialization_order=true:strict_init_order=true
-  - if [[ "${HAS_ASAN}" = "true" ]];  then cmake -DCMAKE_BUILD_TYPE=Debug   -DCMAKE_CXX_FLAGS="${CXX_FLAGS} ${SANITIZER_CXX_FLAGS} -g -fno-omit-frame-pointer -fsanitize=address"                             . && make clean && make -k -j2 && ctest -j2 --output-on-failure ; fi
-  - if [[ "${HAS_ASAN}" = "true" ]];  then cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_FLAGS="${CXX_FLAGS} ${SANITIZER_CXX_FLAGS} -g -fno-omit-frame-pointer -fsanitize=address"                             . && make clean && make -k -j2 && ctest -j2 --output-on-failure ; fi
+  - if [[ "${HAS_ASAN}" = "true" ]];  then cmake -DCMAKE_BUILD_TYPE=Debug   -DCMAKE_CXX_FLAGS="${CXX_FLAGS} ${SANITIZER_CXX_FLAGS} -g -fno-omit-frame-pointer -fsanitize=address -static-libasan"             . && make clean && make -k -j2 && ctest -j2 --output-on-failure ; fi
+  - if [[ "${HAS_ASAN}" = "true" ]];  then cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_FLAGS="${CXX_FLAGS} ${SANITIZER_CXX_FLAGS} -g -fno-omit-frame-pointer -fsanitize=address -static-libasan"             . && make clean && make -k -j2 && ctest -j2 --output-on-failure ; fi
 
   - export UBSAN_OPTIONS=verbosity=2
   - if [[ "${HAS_UBSAN}" = "true" ]]; then cmake -DCMAKE_BUILD_TYPE=Debug   -DCMAKE_CXX_FLAGS="${CXX_FLAGS} ${SANITIZER_CXX_FLAGS} -g -fno-omit-frame-pointer -fsanitize=undefined"                           . && make clean && make -k -j2 && ctest -j2 --output-on-failure ; fi