-1; if (y + x > 9) return 0; return a[y - x]; } Queries Given: is true?Fourier-Motzkin eliminationConstraints17 min -> 2h 54m 😱#include _When_(x > 0, _Post_satisfies_(return Barto • Finding bugs using path-sensitive static analysis – Gabor Horvath (online 29th)Thanks!Fourier-Motzkin eliminationResourcesImproved Null Pointer Dereference Detection in Visual Studio 2 022 version

subscripted pointer is in-range (often a run-time check) • That • Implies range checking and elimination of dangling pointers (“memory safety”) • Is just what C++ requires • Is what most programmers subscripted pointer is in-range (often a run-time check) • That • Implies range checking and elimination of dangling pointers (“memory safety”) • Is just what C++ requires • Is what most programmers

waits on the job, the job will not be scheduled. 115116 COROUTINE LIFETIME Multiple (necessary)elimination points: • ~token() – no one is waiting for the result • awaitable dtor for token::operator co_await system can impose different mechanism Credit to Arne Schober(@Khipu_Kamayuq) Multiple (necessary)elimination points: • ~token() – no one is waiting for the result • dtor of awaitable for token::operator

-fdata-sections • Optimizations • Identical Code Folding: /OPT:ICF, -icf=all, -icf=safe • Dead Code Elimination: /OPT:REF, -fvtable-gc, --gc-section • Linker scripts 54Resources • Ulrich Drepper: “How

itself adds fast algorithms for escape analysis, automatic object inlining, and array bounds check elimination. Where HotSpot is really amazing is in putting all of these things together in a very complex