[clang] [clang][OpenMP] Add error for large expr in collapse clause (PR #138592)

[Amr Hesham via cfe-commits]

================
@@ -15901,6 +15901,13 @@ ExprResult 
SemaOpenMP::VerifyPositiveIntegerConstantInClause(
         << E->getSourceRange();
     return ExprError();
   }
+
+  if (!Result.isRepresentableByInt64()) {
----------------
AmrDeveloper wrote:

In our implementation, yes, because we const evaluate the value to APInt and it 
store the value in i64

https://github.com/llvm/llvm-project/pull/138592
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