From ce20f9d6742da634681df9d5f80e051be023a65e Mon Sep 17 00:00:00 2001
From: Sebastian Pop <sebastian.pop@amd.com>
Date: Wed, 23 Dec 2009 07:50:43 +0000
Subject: [PATCH] re PR middle-end/42393 ([graphite]  internal compiler error:
 in check_loop_closed_ssa_use)

Fix PR42393.

2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/42393
	* testsuite/gfortran.dg/graphite/pr42393.f90: New.

From-SVN: r155421
---
 gcc/ChangeLog.graphite                        |  5 ++++
 .../gfortran.dg/graphite/pr42393.f90          | 30 +++++++++++++++++++
 2 files changed, 35 insertions(+)
 create mode 100644 gcc/testsuite/gfortran.dg/graphite/pr42393.f90

diff --git a/gcc/ChangeLog.graphite b/gcc/ChangeLog.graphite
index 4d7b11dec070..9f61066ad7ad 100644
--- a/gcc/ChangeLog.graphite
+++ b/gcc/ChangeLog.graphite
@@ -1,3 +1,8 @@
+2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
+
+	PR middle-end/42393
+	* testsuite/gfortran.dg/graphite/pr42393.f90: New.
+
 2009-12-17  Sebastian Pop  <sebastian.pop@amd.com>
 
 	PR middle-end/42186
diff --git a/gcc/testsuite/gfortran.dg/graphite/pr42393.f90 b/gcc/testsuite/gfortran.dg/graphite/pr42393.f90
new file mode 100644
index 000000000000..0c184dd81a29
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/graphite/pr42393.f90
@@ -0,0 +1,30 @@
+! { dg-options "-fgraphite-identity -O2" }
+
+MODULE beta_gamma_psi
+  INTEGER, PARAMETER :: dp=KIND(0.0D0)
+CONTAINS
+  FUNCTION basym (a, b, lambda, eps) RESULT(fn_val)
+    REAL(dp) :: a0(21), b0(21), bsum, c(21), d(21), dsum, &
+         j0, j1, r, r0, r1, s, sum, t, t0, t1, &
+         u, w, w0, z, z0, z2, zn, znm1
+    DO n = 2, num, 2
+       DO i = n, np1
+          b0(1) = r*a0(1)
+          DO m = 2, i
+             bsum = 0.0e0_dp
+             mm1 = m - 1
+             DO j = 1, mm1
+                mmj = m - j
+                bsum = bsum + (j*r - mmj)*a0(j)*b0(mmj)
+             END DO
+             b0(m) = r*a0(m) + bsum/m
+          END DO
+          c(i) = b0(i)/(i + 1.0e0_dp)
+          d(i) = -(dsum + c(i))
+       END DO
+       t0 = d(n)*w*j0
+       sum = sum + (t0 + t1)
+    END DO
+    fn_val = e0*t*u*sum
+  END FUNCTION basym
+END MODULE beta_gamma_psi
-- 
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