[gcc r13-2516] [PR106867] Add test for PR.

[Aldy Hernandez]

https://gcc.gnu.org/g:22cefe5c22a90d20e2d9f629402b0522c03fa59c

commit r13-2516-g22cefe5c22a90d20e2d9f629402b0522c03fa59c
Author: Aldy Hernandez <aldyh@redhat.com>
Date:   Wed Sep 7 12:58:49 2022 +0200

    [PR106867] Add test for PR.
    
            PR tree-optimization/106867
    
    gcc/testsuite/ChangeLog:
    
            * gcc.dg/tree-ssa/pr106867.c: New test.

Diff:
---
 gcc/testsuite/gcc.dg/tree-ssa/pr106867.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr106867.c b/gcc/testsuite/gcc.dg/tree-ssa/pr106867.c
new file mode 100644
index 00000000000..68773d9ae74
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr106867.c
@@ -0,0 +1,16 @@
+// { dg-do compile }
+// { dg-options "-O2 -fno-tree-fre" }
+
+double m;
+int n;
+
+void
+foo (void)
+{
+  static double a[] = { 0.0 / 0.0, 0.0 };
+  int i;
+
+  for (i = 0; i < n; ++i)
+    if (m >= a[i])
+      __builtin_abort ();
+}