From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001 From: "Zancanaro; Carlo" Date: Mon, 24 Sep 2012 09:58:17 +1000 Subject: Add the clang library to the repo (with some of my changes, too). --- clang/test/Sema/struct-compat.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 clang/test/Sema/struct-compat.c (limited to 'clang/test/Sema/struct-compat.c') diff --git a/clang/test/Sema/struct-compat.c b/clang/test/Sema/struct-compat.c new file mode 100644 index 0000000..65bef9f --- /dev/null +++ b/clang/test/Sema/struct-compat.c @@ -0,0 +1,17 @@ +/* RUN: %clang_cc1 %s -fsyntax-only -pedantic -verify + */ + +extern struct {int a;} x; // expected-note {{previous definition is here}} +extern struct {int a;} x; // expected-error {{redefinition of 'x'}} + +struct x; +int a(struct x* b) { +// Per C99 6.7.2.3, since the outer and inner "struct x"es have different +// scopes, they don't refer to the same type, and are therefore incompatible +struct x {int a;} *c = b; // expected-warning {{incompatible pointer types}} +} + +struct x {int a;} r; +int b() { +struct x {char x;} s = r; // expected-error {{initializing 'struct x' with an expression of incompatible type 'struct x'}} +} -- cgit v1.2.3