re PR fortran/83146 (ICE on SELECT CASE statement with associate name)

2018-10-14  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/83146
	* gfortran.dg/associate_43.f90: New test.

From-SVN: r265148

gcc/testsuite/ChangeLog

+2018-10-14  Paul Thomas  <pault@gcc.gnu.org>
+
+	PR fortran/83146
+	* gfortran.dg/associate_43.f90: New test.
+
 2018-10-14  Anthony Green  <green@moxielogic.com>
 
 	* gcc.c-torture/execute/20101011-1.c: Adjust for moxie.

gcc/testsuite/gfortran.dg/associate_43.f90

+! { dg-do run }
+!
+! Check that PR83146 remains fixed.
+!
+! Contributed by Neil Carlson  <neil.n.carlson@gmail.com>
+!
+  type foo
+    integer n
+  end type
+  type bar
+    type(foo) array(2)
+  end type
+
+  type(bar) b
+  integer :: m=0
+
+  b%array(1)%n = 42
+  b%array(2)%n = 43
+
+  call assoc(1)
+  m = 1
+  call assoc(2)
+contains
+  subroutine assoc (n)
+    integer :: n
+    associate (n_array => b%array%n)
+      select case (n_array(n))
+        case (42)
+          if (m .ne. 0) stop 1
+      case default
+          if (m .eq. 0) stop 2
+      end select
+    end associate
+  end subroutine assoc
+end
\ No newline at end of file