--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/align-1.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,28 @@
+/* PR java/10145
+   Test that requesting an alignment of 1 does not increase the alignment
+   of a long long field.
+
+   { dg-do run }
+   { dg-options "" }
+*/
+
+extern void abort (void);
+
+struct A
+{
+  char c;
+  long long i;
+};
+
+struct B
+{
+  char c;
+  long long i __attribute ((__aligned__ (1)));
+};
+
+int main ()
+{
+  if (sizeof (struct A) != sizeof (struct B))
+    abort ();
+  return 0;
+}