Make sure CWriter's Context get's initialized.

llvm-svn: 76147
diff --git a/llvm/lib/Target/CBackend/CBackend.cpp b/llvm/lib/Target/CBackend/CBackend.cpp
index cca896b..58cc07d 100644
--- a/llvm/lib/Target/CBackend/CBackend.cpp
+++ b/llvm/lib/Target/CBackend/CBackend.cpp
@@ -1816,6 +1816,8 @@
 
 
 bool CWriter::doInitialization(Module &M) {
+  FunctionPass::doInitialization(M);
+  
   // Initialize
   TheModule = &M;