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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/gfortran.dg/actual_array_constructor_2.f90
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+! { dg-do run }
+! Tests the fix for pr28167, in which character array constructors
+! with an implied do loop would cause an ICE, when used as actual
+! arguments.
+!
+! Based on the testscase by Harald Anlauf <anlauf@gmx.de>
+!
+ character(4), dimension(4) :: c1, c2
+ integer m
+ m = 4
+! Test the original problem
+ call foo ((/( 'abcd',i=1,m )/), c2)
+ if (any(c2(:) .ne. (/'abcd','abcd', &
+ 'abcd','abcd'/))) call abort ()
+
+! Now get a bit smarter
+ call foo ((/"abcd", "efgh", "ijkl", "mnop"/), c1) ! worked previously
+ call foo ((/(c1(i), i = m,1,-1)/), c2) ! was broken
+ if (any(c2(4:1:-1) .ne. c1)) call abort ()
+
+! gfc_todo: Not Implemented: complex character array constructors
+ call foo ((/(c1(i)(i/2+1:i/2+2), i = 1,4)/), c2) ! Ha! take that..!
+ if (any (c2 .ne. (/"ab ","fg ","jk ","op "/))) call abort ()
+
+! Check functions in the constructor
+ call foo ((/(achar(64+i)//achar(68+i)//achar(72+i)// &
+ achar(76+i),i=1,4 )/), c1) ! was broken
+ if (any (c1 .ne. (/"AEIM","BFJN","CGKO","DHLP"/))) call abort ()
+contains
+ subroutine foo (chr1, chr2)
+ character(*), dimension(:) :: chr1, chr2
+ chr2 = chr1
+ end subroutine foo
+end