[Bug libfortran/31726] minloc/maxloc: wrong results with empty array (F2003 only)

[burnus at gcc dot gnu dot org]

------- Comment #4 from burnus at gcc dot gnu dot org  2007-04-27 17:42 -------
Created an attachment (id=13456)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=13456&action=view)
Test case

Writing test cases first helps!
I need go back to the drawing board as the pos = pos + 1 is not added for empty
arrays.

The attached test case works with NAG f95, g95 and sunf95; it fails 24 times
("1" should be "0") with ifort and 18 times with unmodified gfortran (0 not 1
plus other bugs).
It does not test the library function though.

The test case shows however some additional problems where
 pos = pos.1 - (from - 1)  ! from = starting index of the array
does not work correctly (e.g. "3" instead of "2")


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31726