r298299 - Bump __cplusplus for C++17 to 201703L per the C++17 DIS.

[Richard Smith via cfe-commits]

Author: rsmith
Date: Mon Mar 20 15:12:48 2017
New Revision: 298299

URL: http://llvm.org/viewvc/llvm-project?rev=298299&view=rev
Log:
Bump __cplusplus for C++17 to 201703L per the C++17 DIS.

Modified:
    cfe/trunk/lib/Frontend/InitPreprocessor.cpp
    cfe/trunk/test/Preprocessor/init.c

Modified: cfe/trunk/lib/Frontend/InitPreprocessor.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/InitPreprocessor.cpp?rev=298299&r1=298298&r2=298299&view=diff
==============================================================================
--- cfe/trunk/lib/Frontend/InitPreprocessor.cpp (original)
+++ cfe/trunk/lib/Frontend/InitPreprocessor.cpp Mon Mar 20 15:12:48 2017
@@ -374,9 +374,11 @@ static void InitializeStandardPredefined
     else if (!LangOpts.GNUMode && LangOpts.Digraphs)
       Builder.defineMacro("__STDC_VERSION__", "199409L");
   } else {
-    // FIXME: Use correct value for C++17.
+    // C++17 [cpp.predefined]p1:
+    //   The name __cplusplus is defined to the value 201703L when compiling a
+    //   C++ translation unit.
     if (LangOpts.CPlusPlus1z)
-      Builder.defineMacro("__cplusplus", "201406L");
+      Builder.defineMacro("__cplusplus", "201703L");
     // C++1y [cpp.predefined]p1:
     //   The name __cplusplus is defined to the value 201402L when compiling a
     //   C++ translation unit.

Modified: cfe/trunk/test/Preprocessor/init.c
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Preprocessor/init.c?rev=298299&r1=298298&r2=298299&view=diff
==============================================================================
--- cfe/trunk/test/Preprocessor/init.c (original)
+++ cfe/trunk/test/Preprocessor/init.c Mon Mar 20 15:12:48 2017
@@ -15,7 +15,7 @@
 // CXX1Z:#define __GXX_EXPERIMENTAL_CXX0X__ 1
 // CXX1Z:#define __GXX_RTTI 1
 // CXX1Z:#define __GXX_WEAK__ 1
-// CXX1Z:#define __cplusplus 201406L
+// CXX1Z:#define __cplusplus 201703L
 // CXX1Z:#define __private_extern__ extern
 //
 //
@@ -115,7 +115,7 @@
 //
 // GXX1Z:#define __GNUG__ {{.*}}
 // GXX1Z:#define __GXX_WEAK__ 1
-// GXX1Z:#define __cplusplus 201406L
+// GXX1Z:#define __cplusplus 201703L
 // GXX1Z:#define __private_extern__ extern
 //
 //


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