================
@@ -324,6 +324,13 @@ class ASTContext : public RefCountedBase<ASTContext> {
/// This is lazily created. This is intentionally not serialized.
mutable llvm::StringMap<StringLiteral *> StringLiteralCache;
+ /// The next string literal "version" to allocate during constant evaluation.
+ /// This is used to distinguish between repeated evaluations of the same
+ /// string literal.
+ ///
+ /// TODO: Ensure version numbers don't collide when deserialized.
----------------
erichkeane wrote:
This seems troublesome. The modules case here is somewhat concerning to me. I
wonder if we could figure out some way to encode/serialize the "how we got
here" via source information to provide the number? I realize I'm being a
little hand-wavy, but perhaps back to the 'line + col that caused this
evaluation'?
https://github.com/llvm/llvm-project/pull/109208
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