Merge pull request #2860

3dffe71b new wipeable_string class to replace std::string passphrases (moneromooo-monero)
7a2a5741 utils: initialize easylogging++ in on_startup (moneromooo-monero)
54950829 use memwipe in a few relevant places (moneromooo-monero)
000666ff add a memwipe function (moneromooo-monero)

tests/unit_tests/CMakeLists.txt

@@ -50,6 +50,7 @@ set(unit_tests_sources
   hashchain.cpp
   http.cpp
   main.cpp
+  memwipe.cpp
   mnemonics.cpp
   mul_div.cpp
   parse_amount.cpp
@@ -101,6 +102,8 @@ if (NOT MSVC)
       COMPILE_FLAGS " -Wno-undef -Wno-sign-compare")
 endif ()
 
+SET_PROPERTY(SOURCE memwipe.cpp PROPERTY COMPILE_FLAGS -Ofast)
+
 add_test(
   NAME    unit_tests
   COMMAND unit_tests --data-dir "${TEST_DATA_DIR}")