diff --git a/lib/VMCore/Instruction.cpp b/lib/VMCore/Instruction.cpp
index ffad11b1488..2a740fcc958 100644
--- a/lib/VMCore/Instruction.cpp
+++ b/lib/VMCore/Instruction.cpp
@@ -237,11 +237,11 @@ bool Instruction::mayWriteToMemory() const {
   case Instruction::VAArg:
     return true;
   case Instruction::Call:
-    if (const IntrinsicInst *II = dyn_cast<IntrinsicInst>(this)) {
+    //if (const IntrinsicInst *II = dyn_cast<IntrinsicInst>(this)) {
       // If the intrinsic doesn't write memory, it is safe.
       // FIXME: this is obviously supposed to determine which  intrinsics 
       // don't write to memory, but hasn't been implemented yet.
-    }
+    //}
     return true;
   case Instruction::Load:
     return cast<LoadInst>(this)->isVolatile();