1 files changed, 23 insertions, 0 deletions
diff --git a/lib/lsan/lit_tests/TestCases/use_unaligned.cc b/lib/lsan/lit_tests/TestCases/use_unaligned.cc
new file mode 100644
index 000000000000..bc75f11b99f0
--- /dev/null
+++ b/lib/lsan/lit_tests/TestCases/use_unaligned.cc
@@ -0,0 +1,23 @@
+// Test that unaligned pointers are detected correctly.
+// RUN: LSAN_BASE="report_objects=1:use_stacks=0:use_registers=0"
+// RUN: %clangxx_lsan %s -o %t
+// RUN: LSAN_OPTIONS=$LSAN_BASE:"use_unaligned=0" not %t 2>&1 | FileCheck %s
+// RUN: LSAN_OPTIONS=$LSAN_BASE:"use_unaligned=1" %t 2>&1
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+void *arr[2];
+
+int main() {
+  void *p = malloc(1337);
+  fprintf(stderr, "Test alloc: %p.\n", p);
+  char *char_arr = (char *)arr;
+  memcpy(char_arr + 1, &p, sizeof(p));
+  return 0;
+}
+// CHECK: Test alloc: [[ADDR:.*]].
+// CHECK: Directly leaked 1337 byte object at [[ADDR]]
+// CHECK: LeakSanitizer: detected memory leaks
+// CHECK: SUMMARY: {{(Leak|Address)}}Sanitizer: