1 files changed, 37 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/pr30375.c b/gcc/testsuite/gcc.dg/torture/pr30375.c
new file mode 100644
index 000000000..435c38f13
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr30375.c
@@ -0,0 +1,37 @@
+/* { dg-do run } */
+
+typedef struct _s {
+    int a;
+    int b;
+    int c;
+    int d;
+} s;
+
+extern void abort(void);
+
+void __attribute__((noinline)) g(s *p)
+{
+  if (p->d != 0)
+    abort ();
+}
+
+char *c = (void*)0;
+void __attribute__((noinline)) f(void) { if (c) *c = 1; }
+
+void test_signed_msg_encoding(void)
+{
+    s signInfo = { sizeof(signInfo), 0 };
+
+    signInfo.b = 1;
+    signInfo.c = 0;
+    g(&signInfo);
+    signInfo.d = 1;
+    f();
+}
+
+int main()
+{
+  test_signed_msg_encoding ();
+  test_signed_msg_encoding ();
+  return 0;
+}