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-rw-r--r--lib/VMCore/Function.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/VMCore/Function.cpp b/lib/VMCore/Function.cpp
index a4bc69b4..3582b32 100644
--- a/lib/VMCore/Function.cpp
+++ b/lib/VMCore/Function.cpp
@@ -124,6 +124,10 @@ static ManagedStatic<FoldingSet<ParamAttrsList> > ParamAttrsLists;
ParamAttrsList *
ParamAttrsList::get(const ParamAttrsVector &attrVec) {
assert(!attrVec.empty() && "Illegal to create empty ParamAttrsList");
+#ifndef NDEBUG
+ for (unsigned i = 1, e = attrVec.size(); i < e; ++i)
+ assert(attrVec[i-1].index < attrVec[i].index && "Misordered ParamAttrsList!");
+#endif
ParamAttrsList key(attrVec);
FoldingSetNodeID ID;
key.Profile(ID);