vitalybuka added inline comments. ================ Comment at: lib/asan/asan_rtl.cc:472 @@ +471,3 @@ + __asan_shadow_memory_dynamic_address = 0; + CHECK_EQ(0, kLowShadowBeg); + ---------------- How kLowShadowBeg can be 0 if it's kDefaultShadowSentinel https://reviews.llvm.org/D24768