re PR fortran/46842 (wrong results with MATMUL(..., TRANSPOSE (func ())) --…

re PR fortran/46842 (wrong results with MATMUL(..., TRANSPOSE (func ())) -- 465.tonto test run miscompares)

2010-12-11  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/46842
	* gfortran.dg/array_function_6.f90: New test.

From-SVN: r167714

gcc/testsuite/ChangeLog

+2010-12-11  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR fortran/46842
+	* gfortran.dg/array_function_6.f90: New test.
+
 2010-12-11  Nicola Pero  <nicola.pero@meta-innovation.com>
 
 	* objc.dg/gnu-api-2-resolve-method.m: New.

gcc/testsuite/gfortran.dg/array_function_6.f90

+! { dg-do run }
+! PR46842 wrong results with MATMUL(..., TRANSPOSE (func ()))
+implicit none
+call sub()
+contains
+   subroutine sub()
+      real, dimension(2,2) :: b
+      b = 1.0
+      b = matmul(b,transpose(func()))
+      if (any(b.ne.reshape((/ 4.0, 4.0, 6.0, 6.0 /),[2,2]) )) print *, b
+   end subroutine
+
+   function func() result(res)
+      real, dimension(2,2) :: res
+      res = reshape([1,2,3,4], [2,2])
+   end function
+end