Implement #pragma redefine_extname.

This fixes PR5172 and allows clang to compile C++ programs on Solaris using the system headers.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150881 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 0 deletions

diff --git a/lib/Parse/Parser.cpp b/lib/Parse/Parser.cpp
index c797436948..4c5df4d2ff 100644
--- a/lib/Parse/Parser.cpp
+++ b/lib/Parse/Parser.cpp
@@ -64,6 +64,9 @@ Parser::Parser(Preprocessor &pp, Sema &actions)
   WeakHandler.reset(new PragmaWeakHandler(actions));
   PP.AddPragmaHandler(WeakHandler.get());
 
+  RedefineExtnameHandler.reset(new PragmaRedefineExtnameHandler(actions));
+  PP.AddPragmaHandler(RedefineExtnameHandler.get());
+
   FPContractHandler.reset(new PragmaFPContractHandler(actions, *this));
   PP.AddPragmaHandler("STDC", FPContractHandler.get());
 
@@ -382,6 +385,8 @@ Parser::~Parser() {
   UnusedHandler.reset();
   PP.RemovePragmaHandler(WeakHandler.get());
   WeakHandler.reset();
+  PP.RemovePragmaHandler(RedefineExtnameHandler.get());
+  RedefineExtnameHandler.reset();
 
   if (getLang().OpenCL) {
     PP.RemovePragmaHandler("OPENCL", OpenCLExtensionHandler.get());