diff --git a/lib/VMCore/Pass.cpp b/lib/VMCore/Pass.cpp
index d874d8b997c..d04f90c127a 100644
--- a/lib/VMCore/Pass.cpp
+++ b/lib/VMCore/Pass.cpp
@@ -146,7 +146,7 @@ public:
   void RegisterPass(const PassInfo &PI) {
     bool Inserted =
       PassInfoMap.insert(std::make_pair(PI.getTypeInfo(),&PI)).second;
-    assert(Inserted && "Pass registered multiple times!");
+    assert(Inserted && "Pass registered multiple times!"); Inserted=Inserted;
   }
   
   void UnregisterPass(const PassInfo &PI) {
diff --git a/lib/VMCore/Type.cpp b/lib/VMCore/Type.cpp
index 40185ac5b5c..3a9ea582f11 100644
--- a/lib/VMCore/Type.cpp
+++ b/lib/VMCore/Type.cpp
@@ -901,7 +901,7 @@ public:
     // The old record is now out-of-date, because one of the children has been
     // updated.  Remove the obsolete entry from the map.
     unsigned NumErased = Map.erase(ValType::get(Ty));
-    assert(NumErased && "Element not found!");
+    assert(NumErased && "Element not found!"); NumErased = NumErased;
 
     // Remember the structural hash for the type before we start hacking on it,
     // in case we need it later.
@@ -1426,7 +1426,7 @@ void DerivedType::refineAbstractTypeTo(const Type *NewType) {
   while (!AbstractTypeUsers.empty() && NewTy != this) {
     AbstractTypeUser *User = AbstractTypeUsers.back();
 
-    unsigned OldSize = AbstractTypeUsers.size();
+    unsigned OldSize = AbstractTypeUsers.size(); OldSize=OldSize;
 #ifdef DEBUG_MERGE_TYPES
     DOUT << " REFINING user " << OldSize-1 << "[" << (void*)User
          << "] of abstract type [" << (void*)this << " "
@@ -1453,7 +1453,7 @@ void DerivedType::notifyUsesThatTypeBecameConcrete() {
   DOUT << "typeIsREFINED type: " << (void*)this << " " << *this << "\n";
 #endif
 
-  unsigned OldSize = AbstractTypeUsers.size();
+  unsigned OldSize = AbstractTypeUsers.size(); OldSize=OldSize;
   while (!AbstractTypeUsers.empty()) {
     AbstractTypeUser *ATU = AbstractTypeUsers.back();
     ATU->typeBecameConcrete(this);
diff --git a/lib/VMCore/Value.cpp b/lib/VMCore/Value.cpp
index e581fe83807..5df3532769c 100644
--- a/lib/VMCore/Value.cpp
+++ b/lib/VMCore/Value.cpp
@@ -264,7 +264,7 @@ void Value::takeName(Value *V) {
   // Get V's ST, this should always succed, because V has a name.
   ValueSymbolTable *VST;
   bool Failure = getSymTab(V, VST);
-  assert(!Failure && "V has a name, so it should have a ST!");
+  assert(!Failure && "V has a name, so it should have a ST!"); Failure=Failure;
   
   // If these values are both in the same symtab, we can do this very fast.
   // This works even if both values have no symtab yet.