gcc/ChangeLog:

PR target/16819
* calls.c (load_register_parameters): Don't call use_regs when
nregs is zero.
gcc/testsuite/ChangeLog:
PR target/16891
* gcc.dg/empty2.c: New.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@92551 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 15 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/empty2.c b/gcc/testsuite/gcc.dg/empty2.c
new file mode 100644
index 00000000000..7b91fb2614a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/empty2.c
@@ -0,0 +1,15 @@
+/* { dg-do compile } */
+
+double d=0;
+
+struct A {} a;
+
+void foo(struct A x)
+{
+  d=0;
+}
+
+void bar()
+{
+  if (d) foo(a);
+}