Merge tree-ssa-20020619-branch into mainline.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@81764 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 25 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20040430-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20040430-1.c
new file mode 100644
index 00000000000..73ee8da85a6
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20040430-1.c
@@ -0,0 +1,25 @@
+/* PR middle-end/14470.  Similar to
+   gcc.c-torture/execute/20040313-1.c, but with a compile time test to
+   make sure the second if() is removed.  We should actually get rid
+   of the first if() too, but we're not that smart yet.  */
+
+/* { dg-do run } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+
+
+extern void abort(void);
+
+int main()
+{
+  int t[1025] = { 1024 }, d;
+
+  d = 0;
+  d = t[d]++;
+  if (t[0] != 1025)
+    abort();
+  if (d != 1024)
+    abort();
+  return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "if " 1 "optimized"} } */