[llvm] [polly] [AST] Don't merge memory locations in AliasSetTracker (PR #65731)

[Bruno De Fraine via llvm-commits]

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@@ -3238,8 +3238,10 @@ ScopBuilder::buildAliasGroupsForAccesses() {
     if (AS.isMustAlias() || AS.isForwardingAliasSet())
       continue;
     AliasGroupTy AG;
-    for (auto &PR : AS)
-      AG.push_back(PtrToAcc[PR.getValue()]);
+    llvm::SmallPtrSet<const Value *, 8> Seen;
+    for (auto &MemLoc : AS)
+      if (Seen.insert(MemLoc.Ptr).second)
+        AG.push_back(PtrToAcc[const_cast<Value *>(MemLoc.Ptr)]);
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brunodf-snps wrote:

Done.

https://github.com/llvm/llvm-project/pull/65731