1 files changed, 10 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/pr56990.c b/gcc-4.9/gcc/testsuite/gcc.dg/pr56990.c
new file mode 100644
index 000000000..ecb6acef6
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/pr56990.c
@@ -0,0 +1,10 @@
+/* PR sanitizer/56990 */
+/* { dg-do compile { target { x86_64-*-linux* && lp64 } } } */
+/* { dg-options "-fsanitize=thread" } */
+
+struct S{};
+
+void foo(struct S *p)
+{
+  *p = (struct S){};
+}