From 082ca75fd626c252d1bf8f4955307bb8045daada Mon Sep 17 00:00:00 2001
From: Hal Finkel <hfinkel@anl.gov>
Date: Mon, 8 Sep 2014 19:31:25 +0000
Subject: [PATCH] Don't static_cast invalid pointers

UBSan complained about using static_cast on the invalid (tombstone, etc.)
pointers used by DenseMap. Use a reinterpret_cast instead.

llvm-svn: 217397
---
 include/llvm/Analysis/AssumptionTracker.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/llvm/Analysis/AssumptionTracker.h b/include/llvm/Analysis/AssumptionTracker.h
index 5e09b0ac654..80ae513f4f9 100644
--- a/include/llvm/Analysis/AssumptionTracker.h
+++ b/include/llvm/Analysis/AssumptionTracker.h
@@ -66,7 +66,7 @@ class AssumptionTracker : public ImmutablePass {
       operator CallInst*() const {
         Value *V = getValPtr();
         if (V == DMI::getEmptyKey() || V == DMI::getTombstoneKey())
-          return static_cast<CallInst*>(V);
+          return reinterpret_cast<CallInst*>(V);
 
         return cast<CallInst>(V);
       }