Tighten up address-of checking, implementing test/Sema/expr-address-of.c.

This fixes a bug reported by Seo Sanghyeon.

This was meant to be committed yesterday, but the commit failed.  doh.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@44190 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 15 insertions, 0 deletions

diff --git a/test/Sema/expr-address-of.c b/test/Sema/expr-address-of.c
new file mode 100644
index 0000000000..f085b6012a
--- /dev/null
+++ b/test/Sema/expr-address-of.c
@@ -0,0 +1,15 @@
+// RUN: clang %s -verify -fsyntax-only
+struct entry { int value; };
+void add_one(int *p) { (*p)++; }
+
+void test() {
+ register struct entry *p;
+ add_one(&p->value);
+}
+
+void foo() {
+  register int x[10];
+  &x[10];              // expected-error {{address of register variable requested}}
+}
+
+