build: add more MSVC warnings

CMakeLists.txt

@@ -673,6 +673,36 @@ foreach(tgt ${LIBDWARFS_TARGETS} ${LIBDWARFS_OBJECT_TARGETS} dwarfs_test_helpers
         -Wmisleading-indentation
       )
     endif()
+
+    if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
+      # See: https://github.com/cpp-best-practices/cppbestpractices/blob/master/02-Use_the_Tools_Available.md
+      target_compile_options(${tgt} PRIVATE
+        /W4 # Baseline reasonable warnings
+        /w14242 # 'identifier': conversion from 'type1' to 'type2', possible loss of data
+        /w14254 # 'operator': conversion from 'type1:field_bits' to 'type2:field_bits', possible loss of data
+        /w14263 # 'function': member function does not override any base class virtual member function
+        /w14265 # 'classname': class has virtual functions, but destructor is not virtual instances of this class may not
+                # be destructed correctly
+        /w14287 # 'operator': unsigned/negative constant mismatch
+        /we4289 # nonstandard extension used: 'variable': loop control variable declared in the for-loop is used outside
+                # the for-loop scope
+        /w14296 # 'operator': expression is always 'boolean_value'
+        /w14311 # 'variable': pointer truncation from 'type1' to 'type2'
+        /w14545 # expression before comma evaluates to a function which is missing an argument list
+        /w14546 # function call before comma missing argument list
+        /w14547 # 'operator': operator before comma has no effect; expected operator with side-effect
+        /w14549 # 'operator': operator before comma has no effect; did you intend 'operator'?
+        /w14555 # expression has no effect; expected expression with side- effect
+        /w14619 # pragma warning: there is no warning number 'number'
+        /w14640 # Enable warning on thread un-safe static member initialization
+        /w14826 # Conversion from 'type1' to 'type2' is sign-extended. This may cause unexpected runtime behavior.
+        /w14905 # wide string literal cast to 'LPSTR'
+        /w14906 # string literal cast to 'LPWSTR'
+        /w14928 # illegal copy-initialization; more than one user-defined conversion has been implicitly applied
+
+        /wd4456 # declaration hides previous local declaration
+      )
+    endif()
   endif()
 
   set_property(TARGET ${tgt} PROPERTY CXX_STANDARD 20)