Peter Klausler 763e036cc9 [flang] Detect output field width overflow for Inf/NaN ...

The output editing code paths for F and E/D output that handle
IEEE-754 infinities and NaNs fail to check for overflow of the
output field, which should cause the field to be filled with
asterisks instead.  Catch these cases.

Differential Revision: https://reviews.llvm.org/D151738

2023-05-31 09:08:58 -07:00

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