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Diffstat (limited to 'gcc/testsuite/gfortran.dg/char_cast_2.f90')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/char_cast_2.f90 | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/char_cast_2.f90 b/gcc/testsuite/gfortran.dg/char_cast_2.f90 new file mode 100644 index 000000000..4c175bd0f --- /dev/null +++ b/gcc/testsuite/gfortran.dg/char_cast_2.f90 @@ -0,0 +1,26 @@ +! { dg-do compile } +! { dg-options "-fdump-tree-original" } +! This is the same as achar_4.f90 but checks that the result of the 'merge' +! reference is correctly cast. +! +! The code comes from http://www.star.le.ac.uk/~cgp/fortran.html (by Clive Page) +! Reported by Thomas Koenig <tkoenig@gcc.gnu.org> +! + if (any (Up ("AbCdEfGhIjKlM") .ne. (/"ABCDEFGHIJKLM"/))) call abort () +contains + Character (len=20) Function Up (string) + Character(len=*) string + Up = & + transfer(merge(achar(iachar(transfer(string,"x",len(string)))- & + (ichar('a')-ichar('A')) ), & + transfer(string,"x",len(string)) , & + transfer(string,"x",len(string)) >= "a" .and. & + transfer(string,"x",len(string)) <= "z"), repeat("x", len(string))) + return + end function Up +end +! The sign that all is well is that [S.5][1] appears twice. +! Platform dependent variations are [S$5][1], [__S_5][1], [S___5][1] +! so we count the occurrences of 5][1]. +! { dg-final { scan-tree-dump-times "5\\\]\\\[1\\\]" 2 "original" } } +! { dg-final { cleanup-tree-dump "original" } } |