================
@@ -1333,7 +1333,15 @@ void StmtProfiler::VisitPredefinedExpr(const
PredefinedExpr *S) {
void StmtProfiler::VisitIntegerLiteral(const IntegerLiteral *S) {
VisitExpr(S);
S->getValue().Profile(ID);
- ID.AddInteger(S->getType()->castAs<BuiltinType>()->getKind());
+
+ int FoldingSetID = 0;
+
+ if (S->getType()->isBitIntType())
+ FoldingSetID = S->getValue().getSExtValue();
+ else
+ FoldingSetID = S->getType()->castAs<BuiltinType>()->getKind();
+
+ ID.AddInteger(FoldingSetID);
----------------
AaronBallman wrote:
Each `Type` subclass has a `Profile()` function that determines type identity.
This is how we ensure that a `_BitInt(2)` and a `_BitInt(3)` can both be
represented by `BitIntType` but not be the same type for things like
redeclarations or overloading.
https://github.com/llvm/llvm-project/pull/65889
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