[clang] [llvm] [clang] Use separator for large numeric values in overflow diagnostic (PR #80939)

[Timm Baeder via cfe-commits]

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@@ -2187,6 +2188,12 @@ void APInt::toString(SmallVectorImpl<char> &Str, unsigned Radix, bool Signed,
     }
   }
 
+  // Number of digits in a group between separators.
+  unsigned Grouping = (Radix == 8 || Radix == 10) ? 3 : 4;
+  if (Radix == 8 || Radix == 10) {
+    Grouping = 3;
+  }
+
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tbaederr wrote:

This code block is now unnecessary.

https://github.com/llvm/llvm-project/pull/80939