From: Sean Hunt <scshunt@csclub.uwaterloo.ca>
Date: Thu, 19 May 2011 20:48:13 +0000 (+0000)
Subject: Implement a __has_feature for __underlying_type
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0191b6b638ee57cc1108f427fc93d57e75ef7222;p=clang

Implement a __has_feature for __underlying_type

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131672 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Lex/PPMacroExpansion.cpp b/lib/Lex/PPMacroExpansion.cpp
index 6a9d4abef1..5315279f9a 100644
--- a/lib/Lex/PPMacroExpansion.cpp
+++ b/lib/Lex/PPMacroExpansion.cpp
@@ -602,6 +602,7 @@ static bool HasFeature(const Preprocessor &PP, const IdentifierInfo *II) {
            .Case("is_trivial", LangOpts.CPlusPlus)
            .Case("is_trivially_copyable", LangOpts.CPlusPlus)
            .Case("is_union", LangOpts.CPlusPlus)
+           .Case("underlying_type", LangOpts.CPlusPlus)
            .Case("tls", PP.getTargetInfo().isTLSSupported())
            .Default(false);
 }
diff --git a/test/Lexer/has_feature_type_traits.cpp b/test/Lexer/has_feature_type_traits.cpp
index 5da845f065..f46165de3f 100644
--- a/test/Lexer/has_feature_type_traits.cpp
+++ b/test/Lexer/has_feature_type_traits.cpp
@@ -99,3 +99,7 @@ int is_standard_layout();
 int is_trivially_copyable();
 #endif
 // CHECK: int is_trivially_copyable();
+
+#if __has_feature(underlying_type)
+int underlying_type();
+#endif