``-fsanitize=memory``):
- ``-fsanitize-memory-track-origins``: Enables origin tracking in
- MemorySanitizer. Adds a second stack trace to MemorySanitizer
- reports pointing to the allocation the uninitialized bits came
- from. Slows down execution by additional 1.5x-2x.
+ MemorySanitizer. Adds a second section to MemorySanitizer
+ reports pointing to the heap or stack allocation the
+ uninitialized bits came from. Slows down execution by additional
+ 1.5x-2x.
The ``-fsanitize=`` argument must also be provided when linking, in
order to link to the appropriate runtime library. It is not possible