[clang] Avoid printing overly large integer. (PR #75902)

[Botond István Horváth via cfe-commits]

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@@ -17132,6 +17132,9 @@ static bool ConvertAPValueToString(const APValue &V, QualType T,
         case BuiltinType::WChar_U: {
           unsigned TyWidth = Context.getIntWidth(T);
           assert(8 <= TyWidth && TyWidth <= 32 && "Unexpected integer width");
+          if (V.getInt() >= (1 << 64)) {
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HoBoIs wrote:

In 1 << 64 you operates with ints(32 bit). (1 is an int) 1<<64 is results 0. I suggest to compare V.getInt() with std::numeric_limits\<uint64_t\>::max()} instead. (or uint64_t(-1)).

https://github.com/llvm/llvm-project/pull/75902