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imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
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1 files changed, 184 insertions, 0 deletions

diff --git a/gcc/testsuite/gfortran.dg/overload_1.f90 b/gcc/testsuite/gfortran.dg/overload_1.f90
new file mode 100644
index 000000000..fc38a6c90
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/overload_1.f90
@@ -0,0 +1,184 @@
+! { dg-do run }
+! tests that operator overloading works correctly for operators with
+! different spellings
+module m
+  type t
+     integer :: i
+  end type t
+  
+  interface operator (==)
+     module procedure teq
+  end interface
+
+  interface operator (/=)
+     module procedure tne
+  end interface
+
+  interface operator (>)
+     module procedure tgt
+  end interface
+
+  interface operator (>=)
+     module procedure tge
+  end interface
+  
+  interface operator (<)
+     module procedure tlt
+  end interface
+
+  interface operator (<=)
+     module procedure tle
+  end interface
+
+  type u
+     integer :: i
+  end type u
+  
+  interface operator (.eq.)
+     module procedure ueq
+  end interface
+
+  interface operator (.ne.)
+     module procedure une
+  end interface
+
+  interface operator (.gt.)
+     module procedure ugt
+  end interface
+
+  interface operator (.ge.)
+     module procedure uge
+  end interface
+  
+  interface operator (.lt.)
+     module procedure ult
+  end interface
+
+  interface operator (.le.)
+     module procedure ule
+  end interface
+
+contains
+  function teq (a, b)
+    logical teq
+    type (t), intent (in) :: a, b
+
+    teq = a%i == b%i
+  end function teq
+
+  function tne (a, b)
+    logical tne
+    type (t), intent (in) :: a, b
+
+    tne = a%i /= b%i
+  end function tne
+
+  function tgt (a, b)
+    logical tgt
+    type (t), intent (in) :: a, b
+
+    tgt = a%i > b%i
+  end function tgt
+
+  function tge (a, b)
+    logical tge
+    type (t), intent (in) :: a, b
+
+    tge = a%i >= b%i
+  end function tge
+
+  function tlt (a, b)
+    logical tlt
+    type (t), intent (in) :: a, b
+
+    tlt = a%i < b%i
+  end function tlt
+
+  function tle (a, b)
+    logical tle
+    type (t), intent (in) :: a, b
+
+    tle = a%i <= b%i
+  end function tle
+
+  function ueq (a, b)
+    logical ueq
+    type (u), intent (in) :: a, b
+
+    ueq = a%i == b%i
+  end function ueq
+
+  function une (a, b)
+    logical une
+    type (u), intent (in) :: a, b
+
+    une = a%i /= b%i
+  end function une
+
+  function ugt (a, b)
+    logical ugt
+    type (u), intent (in) :: a, b
+
+    ugt = a%i > b%i
+  end function ugt
+
+  function uge (a, b)
+    logical uge
+    type (u), intent (in) :: a, b
+
+    uge = a%i >= b%i
+  end function uge
+
+  function ult (a, b)
+    logical ult
+    type (u), intent (in) :: a, b
+
+    ult = a%i < b%i
+  end function ult
+
+  function ule (a, b)
+    logical ule
+    type (u), intent (in) :: a, b
+
+    ule = a%i <= b%i
+  end function ule
+end module m
+
+
+program main
+  call checkt
+  call checku
+
+contains
+  
+  subroutine checkt
+    use m
+
+    type (t) :: a, b
+    logical :: r1(6), r2(6)
+    a%i = 0; b%i = 1
+
+    r1 = (/ a == b, a /= b, a <  b, a <= b, a >  b, a >= b /)
+    r2 = (/ a.eq.b, a.ne.b, a.lt.b, a.le.b, a.gt.b, a.ge.b /)
+    if (any (r1.neqv.r2)) call abort
+    if (any (r1.neqv. &
+         (/ .false.,.true.,.true., .true., .false.,.false. /) )) call&
+         & abort
+  end subroutine checkt
+
+  subroutine checku
+    use m
+
+    type (u) :: a, b
+    logical :: r1(6), r2(6)
+    a%i = 0; b%i = 1
+
+    r1 = (/ a == b, a /= b, a <  b, a <= b, a >  b, a >= b /)
+    r2 = (/ a.eq.b, a.ne.b, a.lt.b, a.le.b, a.gt.b, a.ge.b /)
+    if (any (r1.neqv.r2)) call abort
+    if (any (r1.neqv. &
+         (/ .false.,.true.,.true., .true., .false.,.false. /) )) call&
+         & abort
+  end subroutine checku
+end program main
+! { dg-final { cleanup-modules "m" } }