diff options
| -rw-r--r-- | include/llvm/CodeGen/ScheduleDAGInstrs.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/llvm/CodeGen/ScheduleDAGInstrs.h b/include/llvm/CodeGen/ScheduleDAGInstrs.h index 2e5d833635..7c0e80afe4 100644 --- a/include/llvm/CodeGen/ScheduleDAGInstrs.h +++ b/include/llvm/CodeGen/ScheduleDAGInstrs.h @@ -49,10 +49,11 @@ namespace llvm { /// SUnit *NewSUnit(MachineInstr *MI) { #ifndef NDEBUG - const SUnit *Addr = &SUnits[0]; + const SUnit *Addr = SUnits.empty() ? 0 : &SUnits[0]; #endif SUnits.push_back(SUnit(MI, (unsigned)SUnits.size())); - assert(Addr == &SUnits[0] && "SUnits std::vector reallocated on the fly!"); + assert((Addr == 0 || Addr == &SUnits[0]) && + "SUnits std::vector reallocated on the fly!"); SUnits.back().OrigNode = &SUnits.back(); return &SUnits.back(); } |