Change the AST generated for offsetof a bit so that it looks like a

normal expression, and change Evaluate and IRGen to evaluate it like a 
normal expression.  This simplifies the code significantly, and fixes 
PR3396.

llvm-svn: 65622

1 files changed, 10 insertions, 0 deletions

diff --git a/clang/test/Sema/offsetof.c b/clang/test/Sema/offsetof.c
index 5fd2a30eb7e..0d33b775519 100644
--- a/clang/test/Sema/offsetof.c
+++ b/clang/test/Sema/offsetof.c
@@ -35,3 +35,13 @@ int v2 = (int)(&((struct s2 *) 0)->a) == 0 ? 0 : f();
 
 struct s3 { int a; }; 
 int v3 = __builtin_offsetof(struct s3, a) == 0 ? 0 : f();
+
+// PR3396
+struct sockaddr_un {
+ unsigned char sun_len;
+ char sun_path[104];
+};
+int a(int len) {
+int a[__builtin_offsetof(struct sockaddr_un, sun_path[len+1])];
+}
+