From: Richard Smith <richard-llvm@metafoo.co.uk>
Date: Tue, 6 Sep 2011 18:03:41 +0000 (+0000)
Subject: Advertise support for cxx_range_for as an extension in C++98 mode. Patch by Jean... 
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7640c0070361bd365e30fc2eb3b6a64361fa7377;p=clang

Advertise support for cxx_range_for as an extension in C++98 mode. Patch by Jean-Daniel Dupas!
Also provide a modicum of test coverage for ranged for in C++98.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139149 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Lex/PPMacroExpansion.cpp b/lib/Lex/PPMacroExpansion.cpp
index d0828d0d5d..fce593fe9e 100644
--- a/lib/Lex/PPMacroExpansion.cpp
+++ b/lib/Lex/PPMacroExpansion.cpp
@@ -705,6 +705,7 @@ static bool HasExtension(const Preprocessor &PP, const IdentifierInfo *II) {
            .Case("cxx_inline_namespaces", LangOpts.CPlusPlus)
            .Case("cxx_nonstatic_member_init", LangOpts.CPlusPlus)
            .Case("cxx_override_control", LangOpts.CPlusPlus)
+           .Case("cxx_range_for", LangOpts.CPlusPlus)
            .Case("cxx_reference_qualified_functions", LangOpts.CPlusPlus)
            .Case("cxx_rvalue_references", LangOpts.CPlusPlus)
            .Default(false);
diff --git a/test/Lexer/has_extension_cxx.cpp b/test/Lexer/has_extension_cxx.cpp
index 77efa35793..5481b596cc 100644
--- a/test/Lexer/has_extension_cxx.cpp
+++ b/test/Lexer/has_extension_cxx.cpp
@@ -25,6 +25,11 @@ int has_inline_namespaces();
 int has_override_control();
 #endif
 
+// CHECK: has_range_for
+#if __has_extension(cxx_range_for)
+int has_range_for();
+#endif
+
 // CHECK: has_reference_qualified_functions
 #if __has_extension(cxx_reference_qualified_functions)
 int has_reference_qualified_functions();
diff --git a/test/SemaCXX/for-range-no-std.cpp b/test/SemaCXX/for-range-no-std.cpp
index 8cc71e5111..31b3581d1c 100644
--- a/test/SemaCXX/for-range-no-std.cpp
+++ b/test/SemaCXX/for-range-no-std.cpp
@@ -1,4 +1,5 @@
 // RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++0x
+// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++98 -Wno-c++0x-extensions
 
 struct S {
   int *begin();