Driver: Stub out generic GCC tool selection.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67108 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tool.cpp b/lib/Driver/Tool.cpp
index 52c047b..090418e 100644
--- a/lib/Driver/Tool.cpp
+++ b/lib/Driver/Tool.cpp
@@ -11,5 +11,8 @@
 
 using namespace clang::driver;
 
+Tool::Tool(const ToolChain &TC) : TheToolChain(TC) {
+}
+
 Tool::~Tool() {
 }