LangOptions.C99 should be false in C++.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@56092 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 0 deletions

diff --git a/Driver/clang.cpp b/Driver/clang.cpp
index bcad4959b4..ef12eaf2c2 100644
--- a/Driver/clang.cpp
+++ b/Driver/clang.cpp
@@ -452,6 +452,11 @@ static void InitializeLanguageStandard(LangOptions &Options, LangKind LK,
   case lang_c89:
     break;
   }
+
+  if (Options.CPlusPlus) {
+    Options.C99 = 0;
+    Options.HexFloats = (LangStd == lang_gnucxx98 || LangStd==lang_gnucxx0x);
+  }
   
   if (LangStd == lang_c89 || LangStd == lang_c94 || LangStd == lang_gnu89)
     Options.ImplicitInt = 1;