[clang] [clang][Interp] Support arbitrary precision constants (PR #79747)

[Aaron Ballman via cfe-commits]

================
@@ -2215,6 +2213,11 @@ bool ByteCodeExprGen<Emitter>::emitConst(T Value, const Expr *E) {
 template <class Emitter>
 bool ByteCodeExprGen<Emitter>::emitConst(const APSInt &Value, PrimType Ty,
                                          const Expr *E) {
+  if (Ty == PT_IntAPS)
+    return this->emitConstIntAPS(Value, E);
+  else if (Ty == PT_IntAP)
----------------
AaronBallman wrote:

```suggestion
  if (Ty == PT_IntAPS)
    return this->emitConstIntAPS(Value, E);
  if (Ty == PT_IntAP)
```
No `else` after a `return` per coding standard.

https://github.com/llvm/llvm-project/pull/79747