1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/testsuite/c-c++-common/pr86093.c b/gcc/testsuite/c-c++-common/pr86093.c
new file mode 100644
index 00000000000..06afbd60dba
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/pr86093.c
@@ -0,0 +1,12 @@
+/* PR c/86093 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-optimized" } */
+/* { dg-final { scan-tree-dump-not "return 0;" "optimized" } } */
+
+char *volatile p;
+
+__PTRDIFF_TYPE__
+foo (void)
+{
+  return p - p;
+}