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/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp
index 652fcdf..f724524 100644
--- a/lib/AST/ASTContext.cpp
+++ b/lib/AST/ASTContext.cpp
@@ -39,7 +39,7 @@
{
if (size_reserve > 0) Types.reserve(size_reserve);
InitBuiltinTypes();
- BuiltinInfo.InitializeBuiltins(idents, Target);
+ BuiltinInfo.InitializeBuiltins(idents, Target, LangOpts.Freestanding);
TUDecl = TranslationUnitDecl::Create(*this);
}