Add the clang library to the repo (with some of my changes, too).

1 files changed, 18 insertions, 0 deletions

diff --git a/clang/test/Sema/attr-weak.c b/clang/test/Sema/attr-weak.c
new file mode 100644
index 0000000..adedf12
--- /dev/null
+++ b/clang/test/Sema/attr-weak.c
@@ -0,0 +1,18 @@
+// RUN: %clang_cc1 -verify -fsyntax-only %s
+
+extern int g0 __attribute__((weak));
+extern int g1 __attribute__((weak_import));
+int g2 __attribute__((weak));
+int g3 __attribute__((weak_import)); // expected-warning {{'weak_import' attribute cannot be specified on a definition}}
+int __attribute__((weak_import)) g4(void);
+void __attribute__((weak_import)) g5(void) { 
+}
+
+struct __attribute__((weak)) s0 {}; // expected-warning {{'weak' attribute only applies to variables and functions}}
+struct __attribute__((weak_import)) s1 {}; // expected-warning {{'weak_import' attribute only applies to variables and functions}}
+
+static int x __attribute__((weak)); // expected-error {{weak declaration cannot have internal linkage}}
+
+// rdar://9538608
+int C; // expected-note {{previous definition is here}}
+extern int C __attribute__((weak_import)); // expected-warning {{an already-declared variable is made a weak_import declaration}}