diff options
| -rw-r--r-- | include/llvm/CodeGen/MachineDebugInfo.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/llvm/CodeGen/MachineDebugInfo.h b/include/llvm/CodeGen/MachineDebugInfo.h index 7b6386730b..46078d25ef 100644 --- a/include/llvm/CodeGen/MachineDebugInfo.h +++ b/include/llvm/CodeGen/MachineDebugInfo.h @@ -1046,13 +1046,18 @@ public: /// RemapLabel - Indicate that a label has been merged into another. /// void RemapLabel(unsigned OldLabelID, unsigned NewLabelID) { + assert(0 < OldLabelID && OldLabelID <= LabelIDList.size() && + "Old debug label ID out of range."); + assert(NewLabelID <= LabelIDList.size() && + "New debug label ID out of range."); LabelIDList[OldLabelID - 1] = NewLabelID; } /// MappedLabel - Find out the label's final ID. Zero indicates deletion. /// ID != Mapped ID indicates that the label was folded into another label. unsigned MappedLabel(unsigned LabelID) const { - return LabelIDList[LabelID - 1]; + assert(LabelID <= LabelIDList.size() && "Debug label ID out of range."); + return LabelID ? LabelIDList[LabelID - 1] : 0; } /// RecordSource - Register a source file with debug info. Returns an source |