1 files changed, 65 insertions, 0 deletions
diff --git a/gcc/testsuite/c-c++-common/ubsan/ptr-overflow-1.c b/gcc/testsuite/c-c++-common/ubsan/ptr-overflow-1.c
new file mode 100644
index 00000000000..8edfbce0327
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/ubsan/ptr-overflow-1.c
@@ -0,0 +1,65 @@
+/* PR sanitizer/80998 */
+/* { dg-do run } */
+/* { dg-options "-fsanitize=pointer-overflow -fno-sanitize-recover=pointer-overflow -Wall" } */
+
+struct S { int a; int b; int c[64]; };
+__attribute__((noinline, noclone)) char *f1 (char *p) { return p + 1; }
+__attribute__((noinline, noclone)) char *f2 (char *p) { return p - 1; }
+__attribute__((noinline, noclone)) char *f3 (char *p, int i) { return p + i; }
+__attribute__((noinline, noclone)) char *f4 (char *p, int i) { return p - i; }
+__attribute__((noinline, noclone)) char *f5 (char *p, unsigned long int i) { return p + i; }
+__attribute__((noinline, noclone)) char *f6 (char *p, unsigned long int i) { return p - i; }
+__attribute__((noinline, noclone)) int *f7 (struct S *p) { return &p->a; }
+__attribute__((noinline, noclone)) int *f8 (struct S *p) { return &p->b; }
+__attribute__((noinline, noclone)) int *f9 (struct S *p) { return &p->c[64]; }
+__attribute__((noinline, noclone)) int *f10 (struct S *p, int i) { return &p->c[i]; }
+
+char *volatile p;
+struct S *volatile q;
+char a[64];
+struct S s;
+int *volatile r;
+
+int
+main ()
+{
+  struct S t;
+  p = &a[32];
+  p = f1 (p);
+  p = f1 (p);
+  p = f2 (p);
+  p = f3 (p, 1);
+  p = f3 (p, -1);
+  p = f3 (p, 3);
+  p = f3 (p, -6);
+  p = f4 (p, 1);
+  p = f4 (p, -1);
+  p = f4 (p, 3);
+  p = f4 (p, -6);
+  p = f5 (p, 1);
+  p = f5 (p, 3);
+  p = f6 (p, 1);
+  p = f6 (p, 3);
+  if (sizeof (unsigned long) >= sizeof (char *))
+    {
+      p = f5 (p, -1);
+      p = f5 (p, -6);
+      p = f6 (p, -1);
+      p = f6 (p, -6);
+    }
+  q = &s;
+  r = f7 (q);
+  r = f8 (q);
+  r = f9 (q);
+  r = f10 (q, 0);
+  r = f10 (q, 10);
+  r = f10 (q, 64);
+  q = &t;
+  r = f7 (q);
+  r = f8 (q);
+  r = f9 (q);
+  r = f10 (q, 0);
+  r = f10 (q, 10);
+  r = f10 (q, 64);
+  return 0;
+}