Add parser support for __builtin_stdarg_start, PR2531
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53328 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/AST/Builtins.def b/include/clang/AST/Builtins.def
index de755f5..7bdcd6d 100644
--- a/include/clang/AST/Builtins.def
+++ b/include/clang/AST/Builtins.def
@@ -99,6 +99,7 @@
BUILTIN(__builtin_va_start, "va&.", "n")
BUILTIN(__builtin_va_end, "va&", "n")
BUILTIN(__builtin_va_copy, "va&a", "n")
+BUILTIN(__builtin_stdarg_start, "va&a", "n")
BUILTIN(__builtin_memcpy, "v*v*vC*z", "n")
BUILTIN(__builtin_return_address, "v*Ui", "n")
BUILTIN(__builtin_frame_address, "v*Ui", "n")
diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp
index 8b98cba..183d9a9 100644
--- a/lib/Sema/SemaDecl.cpp
+++ b/lib/Sema/SemaDecl.cpp
@@ -205,7 +205,8 @@
if (BID == Builtin::BI__builtin_va_start ||
BID == Builtin::BI__builtin_va_copy ||
- BID == Builtin::BI__builtin_va_end)
+ BID == Builtin::BI__builtin_va_end ||
+ BID == Builtin::BI__builtin_stdarg_start)
InitBuiltinVaListType();
QualType R = Context.BuiltinInfo.GetBuiltinType(BID, Context);