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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gfortran.dg/elemental_optional_args_1.f90
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gfortran.dg/elemental_optional_args_1.f90')
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+! { dg-do compile }
+! { dg-options "-pedantic" }
+! Check the fix for PR20893, in which actual arguments could violate:
+! "(5) If it is an array, it shall not be supplied as an actual argument to
+! an elemental procedure unless an array of the same rank is supplied as an
+! actual argument corresponding to a nonoptional dummy argument of that
+! elemental procedure." (12.4.1.5)
+!
+! Contributed by Joost VandeVondele <jv244@cam.ac.uk>
+!
+ CALL T1(1,2)
+CONTAINS
+ SUBROUTINE T1(A1,A2,A3)
+ INTEGER :: A1,A2, A4(2), A5(2)
+ INTEGER, OPTIONAL :: A3(2)
+ interface
+ elemental function efoo (B1,B2,B3) result(bar)
+ INTEGER, intent(in) :: B1, B2
+ integer :: bar
+ INTEGER, OPTIONAL, intent(in) :: B3
+ end function efoo
+ end interface
+
+! check an intrinsic function
+ write(6,*) MAX(A1,A2,A3) ! { dg-warning "array and OPTIONAL" }
+ write(6,*) MAX(A1,A3,A2)
+ write(6,*) MAX(A1,A4,A3)
+! check an internal elemental function
+ write(6,*) foo(A1,A2,A3) ! { dg-warning "array and OPTIONAL" }
+ write(6,*) foo(A1,A3,A2)
+ write(6,*) foo(A1,A4,A3)
+! check an external elemental function
+ write(6,*) efoo(A1,A2,A3) ! { dg-warning "array and OPTIONAL" }
+ write(6,*) efoo(A1,A3,A2)
+ write(6,*) efoo(A1,A4,A3)
+! check an elemental subroutine
+ call foobar (A5,A2,A4)
+ call foobar (A5,A4,A4)
+ END SUBROUTINE
+ elemental function foo (B1,B2,B3) result(bar)
+ INTEGER, intent(in) :: B1, B2
+ integer :: bar
+ INTEGER, OPTIONAL, intent(in) :: B3
+ bar = 1
+ end function foo
+ elemental subroutine foobar (B1,B2,B3)
+ INTEGER, intent(OUT) :: B1
+ INTEGER, optional, intent(in) :: B2, B3
+ B1 = 1
+ end subroutine foobar
+
+END
+