[clang] [Clang] fix range calculation for conditionals with throw expressions (PR #112081)

[Shafik Yaghmour via cfe-commits]

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@@ -9827,6 +9827,9 @@ static IntRange GetExprRange(ASTContext &C, const Expr *E, unsigned MaxWidth,
     return IntRange(BitField->getBitWidthValue(C),
                     BitField->getType()->isUnsignedIntegerOrEnumerationType());
 
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shafik wrote:

What expr is ending up in `GetExprRange` b/c it looks like the `E = E->IgnoreParens()` should do the job? Right?

https://github.com/llvm/llvm-project/pull/112081