================
@@ -63,30 +64,48 @@ class TypeInfoLValue {
 
 /// Symbolic representation of a dynamic allocation.
 class DynamicAllocLValue {
-  unsigned Index;
+  // lower NumAlignmentBits: alignment exponent
+  // remaining bits: allocation index incremented by one
+  // value of zero indicates distinct empty state
+  unsigned AlignAndIndex;
----------------
keinflue wrote:

This bothered me as well as I noted in the PR description, but I recall not 
finding a good alternative solution without significantly wider changes. I'd be 
happy to accept any alternative suggestion for storing the alignment in such a 
way that it lives long enough.

I haven't looked at this PR in a while and likely won't be able to work on it 
for at least the next week. If someone else wants to pick it up, feel free to 
do so.

https://github.com/llvm/llvm-project/pull/174549
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