Add Parse/Sema support for weak_import attribute.
- Also, diagnose weak applied to types.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@66259 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/attr-weak.c b/test/Sema/attr-weak.c
new file mode 100644
index 0000000..a58e61e
--- /dev/null
+++ b/test/Sema/attr-weak.c
@@ -0,0 +1,13 @@
+// RUN: clang -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);
+int __attribute__((weak_import)) g5(void) {
+}
+
+struct __attribute__((weak)) s0 {}; // expected-warning {{'weak' attribute only applies to variable and function types}}
+struct __attribute__((weak_import)) s1 {}; // expected-warning {{'weak_import' attribute only applies to variable and function types}}
+