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

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index f4c0284cf70916a39705e6d5d4bfde6cfe9f291b..ad5c0e17eb73a80c541611176c2baeb2ef2d250f 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+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.

diff --git a/gcc/testsuite/gfortran.dg/associate_43.f90 b/gcc/testsuite/gfortran.dg/associate_43.f90
new file mode 100644 (file)
index 0000000..a1460ef
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/associate_43.f90
@@ -0,0 +1,35 @@
+! { 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
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