[clang] [clang][analyzer] Stable order for SymbolRef-keyed containers (PR #121551)

[Balazs Benics via cfe-commits]

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@@ -687,4 +711,35 @@ class SymbolVisitor {
 
 } // namespace clang
 
+// Override the default definition that would use pointer values of SymbolRefs
+// to order them, which is unstable due to ASLR.
+// Use the SymbolID instead which reflect the order in which the symbols were
+// allocated. This is usually stable across runs leading to the stability of
+// ConstraintMap and other containers using SymbolRef as keys.
+template <>
+struct ::llvm::ImutContainerInfo<clang::ento::SymbolRef>
+    : public ImutProfileInfo<clang::ento::SymbolRef> {
+  using value_type =
+      typename ImutProfileInfo<clang::ento::SymbolRef>::value_type;
+  using value_type_ref =
+      typename ImutProfileInfo<clang::ento::SymbolRef>::value_type_ref;
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steakhal wrote:

I think you can just desugar these. We don't need these indirections here.

https://github.com/llvm/llvm-project/pull/121551