Initialize Suffix and Prefix to 0, even with a bad entry. Removes an uninitialized...

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@58305 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Lex/HeaderMap.cpp b/lib/Lex/HeaderMap.cpp
index d058e1ece4b432e3f749ec9405b3bdf74bd81163..0b75af54d1b06a8ae0a21728a755478938d6ccc9 100644 (file)
--- a/lib/Lex/HeaderMap.cpp
+++ b/lib/Lex/HeaderMap.cpp
@@ -142,8 +142,11 @@ HMapBucket HeaderMap::getBucket(unsigned BucketNo) const {
                                         sizeof(HMapHeader));
   
   const HMapBucket *BucketPtr = BucketArray+BucketNo;
-  if ((char*)(BucketPtr+1) > FileBuffer->getBufferEnd())
+  if ((char*)(BucketPtr+1) > FileBuffer->getBufferEnd()) {
+    Result.Prefix = 0;
+    Result.Suffix = 0;
     return Result;  // Invalid buffer, corrupt hmap.
+  }
 
   // Otherwise, the bucket is valid.  Load the values, bswapping as needed.
   Result.Key    = getEndianAdjustedWord(BucketPtr->Key);