> no impact to backtrace generation or debuggability That wasn't my experience with MSVC's implementation of LTO. In particular, eliminating ABI-compliant fun

> no impact to backtrace generation or debuggability That wasn't my experience with MSVC's implementation of LTO. In particular, eliminating ABI-compliant function calls meant that those functions were eliminated from the callstack as shown by the debugger. Are GCC or perf better about that, somehow?