jmgao marked an inline comment as done. ================ Comment at: lib/CodeGen/CGExpr.cpp:2303 @@ -2302,4 +2302,3 @@ - if (TrapCond) - EmitTrapCheck(TrapCond); + if (TrapCond) EmitSanitizeTrapCheck(TrapCond); if (!FatalCond && !RecoverableCond) ---------------- Yes http://reviews.llvm.org/D12181