testsuite: Add testcase for already fixed PR [PR109925]

This testcase was made latent by r14-4089 and got fixed both
on the trunk and 13 branch with PR113372 fix.

Adding testcase to the testsuite and will close the PR as a dup.

2024-03-28  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/109925
	* gcc.c-torture/execute/pr109925.c: New test.

diff --git a/gcc/testsuite/gcc.c-torture/execute/pr109925.c b/gcc/testsuite/gcc.c-torture/execute/pr109925.c
new file mode 100644 (file)
index 0000000..929673b
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/pr109925.c
@@ -0,0 +1,30 @@
+/* PR tree-optimization/109925 */
+
+int a, c, f;
+
+int
+main ()
+{
+  int g[2];
+  for (c = 0; c < 2; c++)
+    {
+      {
+       char h[20], *b = h;
+       int d = 48, e = 0;
+       while (d && e < 5)
+         b[e++] = d /= 10;
+       f = e;
+      }
+      g[f - 2 + c] = 0;
+    }
+  for (;;)
+    {
+      for (; a <= 4; a++)
+       if (g[0])
+         break;
+      break;
+    }
+  if (a != 5)
+    __builtin_abort ();
+  return 0;
+}