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diff --git a/gcc-4.9/gcc/testsuite/gfortran.dg/proc_assign_1.f90 b/gcc-4.9/gcc/testsuite/gfortran.dg/proc_assign_1.f90
new file mode 100644
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+++ b/gcc-4.9/gcc/testsuite/gfortran.dg/proc_assign_1.f90
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+! { dg-do compile }
+! { dg-options "-std=legacy" }
+!
+! This tests the patch for PR26787 in which it was found that setting
+! the result of one module procedure from within another produced an
+! ICE rather than an error.
+!
+! This is an "elaborated" version of the original testcase from
+! Joshua Cogliati  <jjcogliati-r1@yahoo.com>
+!
+function ext1 ()
+    integer ext1, ext2, arg
+    ext1 = 1
+    entry ext2 (arg)
+    ext2 = arg
+contains
+    subroutine int_1 ()
+        ext1 = arg * arg     ! OK - host associated.
+    end subroutine int_1
+end function ext1
+
+module simple
+    implicit none
+contains
+    integer function foo () 
+         foo = 10            ! OK - function result
+         call foobar ()
+    contains
+        subroutine foobar ()
+            integer z
+            foo = 20         ! OK - host associated.
+        end subroutine foobar
+    end function foo
+    subroutine bar()         ! This was the original bug.
+        foo = 10             ! { dg-error "is not a variable" }
+    end subroutine bar
+    integer function oh_no ()
+        oh_no = 1
+        foo = 5              ! { dg-error "is not a variable" }
+    end function oh_no
+end module simple
+
+module simpler
+    implicit none
+contains
+    integer function foo_er () 
+         foo_er = 10         ! OK - function result
+    end function foo_er
+end module simpler
+
+    use simpler
+    real w, stmt_fcn
+    interface
+        function ext1 ()
+           integer ext1
+        end function ext1
+        function ext2 (arg)
+           integer ext2, arg
+        end function ext2
+    end interface
+    stmt_fcn (w) = sin (w)     
+    call x (y ())
+    x = 10                   ! { dg-error "is not a variable" }
+    y = 20                   ! { dg-error "is not a variable" }
+    foo_er = 8               ! { dg-error "is not a variable" }
+    ext1 = 99                ! { dg-error "is not a variable" }
+    ext2 = 99                ! { dg-error "is not a variable" }
+    stmt_fcn = 1.0           ! { dg-error "is not a variable" }
+    w = stmt_fcn (1.0)
+contains
+    subroutine x (i)
+        integer i
+        y = i                ! { dg-error "is not a variable" }
+    end subroutine x
+    function y ()
+        integer y
+        y = 2                ! OK - function result
+    end function y
+end