1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/reassoc_6.f b/gcc/testsuite/gfortran.dg/reassoc_6.f
new file mode 100644
index 000000000..97a5de8a7
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/reassoc_6.f
@@ -0,0 +1,22 @@
+! { dg-do compile }
+! { dg-options "-O2 -fdump-tree-optimized" }
+
+        subroutine test(nb,nx,r2)
+        implicit none
+        integer nb,nx,i,l
+        real*8 r2(nb,nx)
+
+
+             do i=1,nx
+                do l=1,nb
+                   r2(l,i)=0.0d0
+                enddo
+             enddo
+
+        return
+        end
+! Verify that offset of the first element is simplified
+! While we understand to combine x + ~x IVOPTs now messes things
+! up by hiding that operation in casts to unsigned.
+! { dg-final { scan-tree-dump-not "~" "optimized" { xfail *-*-* } } }
+! { dg-final { cleanup-tree-dump "optimized" } }