Add new value for given index in MDValuePtrs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80867 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Bitcode/Reader/BitcodeReader.cpp b/lib/Bitcode/Reader/BitcodeReader.cpp
index e0b5fd90c26d2beb676214ecbfa2ae68d9dd4a55..9ed75ab1313f7e0b7787c143b2edd38c4446b03b 100644 (file)
--- a/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -332,6 +332,9 @@ void BitcodeReaderMDValueList::AssignValue(Value *V, unsigned Idx) {
   Value *PrevVal = OldV;
   OldV->replaceAllUsesWith(V);
   delete PrevVal;
+  // Deleting PrevVal sets Idx value in MDValuePtrs to null. Set new
+  // value for Idx.
+  MDValuePtrs[Idx] = V;
 }
 
 Value *BitcodeReaderMDValueList::getValueFwdRef(unsigned Idx) {