stack-use-after-return ASan AddressSanitizer C++ memory errors memory diagnostics undefined behavior code analysis debugging

undefined behavior C++ portability architecture differences fixed-width types type punning standard libraries reliable code

C++ sanitizers undefined behavior AddressSanitizer UndefinedBehaviorSanitizer debugging programming errors

Undefined Behavior C++ UBSan Error Detection Memory Safety Code Modernization

sanitizers GCC address sanitizer undefined behavior sanitizer memory sanitizer C++ debugging compiling with sanitizers

C++ sanitizers ASan UBSan TSan MSan memory errors undefined behavior thread safety debugging tools

undefined behavior unspecified behavior implementation-defined behavior C++