From: John McCall <rjmccall@apple.com>
Date: Tue, 18 Oct 2011 21:18:53 +0000 (+0000)
Subject: Add a __has_feature check for arc_cf_code_audited.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=eb2ac8b349e181bdc71bfd64980c019be3180d76;p=clang

Add a __has_feature check for arc_cf_code_audited.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142423 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Lex/PPMacroExpansion.cpp b/lib/Lex/PPMacroExpansion.cpp
index e10c95c75f..50929158b2 100644
--- a/lib/Lex/PPMacroExpansion.cpp
+++ b/lib/Lex/PPMacroExpansion.cpp
@@ -610,6 +610,7 @@ static bool HasFeature(const Preprocessor &PP, const IdentifierInfo *II) {
            .Case("ownership_holds", true)
            .Case("ownership_returns", true)
            .Case("ownership_takes", true)
+           .Case("arc_cf_code_audited", true)
            // C1X features
            .Case("c_alignas", LangOpts.C1X)
            .Case("c_generic_selections", LangOpts.C1X)
diff --git a/test/SemaObjC/arc-cf.m b/test/SemaObjC/arc-cf.m
index b9a44d9e68..e7dcc22d56 100644
--- a/test/SemaObjC/arc-cf.m
+++ b/test/SemaObjC/arc-cf.m
@@ -1,5 +1,9 @@
 // RUN: %clang_cc1 -fsyntax-only -fobjc-arc -verify %s
 
+#if __has_feature(arc_cf_code_audited)
+char _global[-1]; // expected-error {{declared as an array with a negative size}}
+#endif
+
 typedef const void *CFTypeRef;
 typedef const struct __CFString *CFStringRef;