From: Jakub Jelinek <jakub@redhat.com>
Date: Wed, 17 Jan 2024 10:33:14 +0000 (+0100)
Subject: testsuite: Add testcase for already fixed PR [PR110251]
X-Git-Tag: basepoints/gcc-15~1959
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3fd32d3d22d86ab732b9b997bdabe449b8c53bbe;p=thirdparty%2Fgcc.git

testsuite: Add testcase for already fixed PR [PR110251]

This testcase started to hang at -O3 with r13-4208 and got fixed
with r14-2097.

2024-01-17  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/110251
	* gcc.c-torture/compile/pr110251.c: New test.
---

diff --git a/gcc/testsuite/gcc.c-torture/compile/pr110251.c b/gcc/testsuite/gcc.c-torture/compile/pr110251.c
new file mode 100644
index 000000000000..e2536586df81
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr110251.c
@@ -0,0 +1,27 @@
+/* PR tree-optimization/110251 */
+
+int a, b;
+signed char c;
+
+int
+foo (int e)
+{
+  if (e >= 'a')
+    return e;
+}
+
+int
+bar (unsigned short e)
+{
+  for (; e; a++)
+    e &= e - 1;
+}
+
+void
+baz (void)
+{
+  while (c < 1)
+    ;
+  for (; bar (c - 1); b = foo (c))
+    ;
+}