From fc74ff5a0792641885551a63d9ddf8cbfdf76e3c Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Wed, 6 Jan 2016 20:02:26 +0000
Subject: Vendor import of clang trunk r256945:
 https://llvm.org/svn/llvm-project/cfe/trunk@256945

---
 lib/Basic/Builtins.cpp | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

(limited to 'lib/Basic/Builtins.cpp')

diff --git a/lib/Basic/Builtins.cpp b/lib/Basic/Builtins.cpp
index 69b10c1..fb6a645 100644
--- a/lib/Basic/Builtins.cpp
+++ b/lib/Basic/Builtins.cpp
@@ -48,10 +48,20 @@ void Builtin::Context::InitializeTarget(const TargetInfo &Target,
     AuxTSRecords = AuxTarget->getTargetBuiltins();
 }
 
+bool Builtin::Context::isBuiltinFunc(const char *Name) {
+  StringRef FuncName(Name);
+  for (unsigned i = Builtin::NotBuiltin + 1; i != Builtin::FirstTSBuiltin; ++i)
+    if (FuncName.equals(BuiltinInfo[i].Name))
+      return strchr(BuiltinInfo[i].Attributes, 'f') != nullptr;
+
+  return false;
+}
+
 bool Builtin::Context::builtinIsSupported(const Builtin::Info &BuiltinInfo,
                                           const LangOptions &LangOpts) {
-  bool BuiltinsUnsupported = LangOpts.NoBuiltin &&
-                             strchr(BuiltinInfo.Attributes, 'f');
+  bool BuiltinsUnsupported =
+      (LangOpts.NoBuiltin || LangOpts.isNoBuiltinFunc(BuiltinInfo.Name)) &&
+      strchr(BuiltinInfo.Attributes, 'f');
   bool MathBuiltinsUnsupported =
     LangOpts.NoMathBuiltin && BuiltinInfo.HeaderName &&
     llvm::StringRef(BuiltinInfo.HeaderName).equals("math.h");
-- 
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