[clang] [llvm] [clang] Avoid printing overly large integer/_BitInt numbers in static assertion failure diagnostics #71675 (PR #145053)

[Erich Keane via llvm-commits]

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@@ -2278,8 +2285,28 @@ void APInt::toString(SmallVectorImpl<char> &Str, unsigned Radix, bool Signed,
     }
   } else {
     int Pos = 0;
+    // The value of cutOffSize is not special, it is just a number of
+    // characters that gives us enough info without losing readability.
+    constexpr int cutOffSize = 20;
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erichkeane wrote:

Should this be an argument?  

https://github.com/llvm/llvm-project/pull/145053