[gcc r13-8524] testsuite: Add testcase for already fixed PR [PR109925]

[Jakub Jelinek]

https://gcc.gnu.org/g:43022dd24e82a8625895e35da2b7e5a45f3b7483

commit r13-8524-g43022dd24e82a8625895e35da2b7e5a45f3b7483
Author: Jakub Jelinek <jakub@redhat.com>
Date:   Thu Mar 28 11:58:26 2024 +0100

    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.
    
    (cherry picked from commit 7942558f27038461f948ca10140a156ae678cdf8)

Diff:
---
 gcc/testsuite/gcc.c-torture/execute/pr109925.c | 30 ++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/gcc/testsuite/gcc.c-torture/execute/pr109925.c b/gcc/testsuite/gcc.c-torture/execute/pr109925.c
new file mode 100644
index 00000000000..929673b6b63
--- /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;
+}