Add -ffreestanding to suppress the implicit declaration of library builtins like printf and malloc. Fixes PR3586

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64566 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index ad7d6d5..3e724eb 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -296,7 +296,7 @@
 };
 
 const Builtin::Info PPCTargetInfo::BuiltinInfo[] = {
-#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS },
+#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS, false },
 #include "clang/AST/PPCBuiltins.def"
 };
 
@@ -438,7 +438,7 @@
 namespace {
 // Namespace for x86 abstract base class
 const Builtin::Info BuiltinInfo[] = {
-#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS },
+#define BUILTIN(ID, TYPE, ATTRS) { #ID, TYPE, ATTRS, false },
 #include "clang/AST/X86Builtins.def"
 };