[llvm] [flang][runtime] Emit "Infinity" rather than "Inf" when required (PR #183359)

[Peter Klausler via llvm-commits]

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@@ -77,15 +77,17 @@ template <int KIND> class RealOutputEditing : public RealOutputEditingBase {
   RT_API_ATTRS bool IsZero() const { return x_.IsZero(); }
 
   RT_API_ATTRS decimal::ConversionToDecimalResult ConvertToDecimal(
-      int significantDigits, enum decimal::FortranRounding, int flags = 0);
+      int significantDigits, enum decimal::FortranRounding, int flags = 0,
+      int width = 9 /* len("+Infinity") */);
 
   struct ConvertToHexadecimalResult {
     const char *str;
     int length;
     int exponent;
   };
   RT_API_ATTRS ConvertToHexadecimalResult ConvertToHexadecimal(
-      int significantDigits, enum decimal::FortranRounding, int flags = 0);
+      int significantDigits, enum decimal::FortranRounding, int width,
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klausler wrote:

Code updated to always have `width` before `flags` on both APIs.

https://github.com/llvm/llvm-project/pull/183359