re PR libfortran/79540 (FAIL: gfortran.dg/fmt_fw_d.f90 -O0 execution test)
PR libgfortran/79540 * io/write_float.def (build_float_string): Don't copy digits when ndigits is negative. From-SVN: r270402
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2019-04-16 John David Anglin <danglin@gcc.gnu.org>
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Backport from mainline
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2019-03-25 John David Anglin <danglin@gcc.gnu.org>
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PR libgfortran/79540
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* io/write_float.def (build_float_string): Don't copy digits when
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ndigits is negative.
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2019-02-03 Uroš Bizjak <ubizjak@gmail.com>
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PR libfortran/88678
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@ -620,14 +620,15 @@ build_float_string (st_parameter_dt *dtp, const fnode *f, char *buffer,
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}
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/* Set digits after the decimal point, padding with zeros. */
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if (nafter > 0)
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if (ndigits >= 0 && nafter > 0)
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{
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if (nafter > ndigits)
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i = ndigits;
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else
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i = nafter;
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memcpy (put, digits, i);
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if (i > 0)
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memcpy (put, digits, i);
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while (i < nafter)
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put[i++] = '0';
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