From a68a6ba072bbc5d6496f6a564c4564b911efe3e8 Mon Sep 17 00:00:00 2001
From: xleroy <xleroy@fca1b0fc-160b-0410-b1d3-a4f43f01ea2e>
Date: Mon, 25 Aug 2014 08:10:39 +0000
Subject: More careful detection of inlined builtins.  Produces better error
 messages if an unsupported __builtin_xxx function is used by mistake.

git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2617 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e
---
 cfrontend/C2C.ml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cfrontend/C2C.ml b/cfrontend/C2C.ml
index ffea5a8..73d9edb 100644
--- a/cfrontend/C2C.ml
+++ b/cfrontend/C2C.ml
@@ -870,6 +870,7 @@ let convertFundecl env (sto, id, ty, optinit) =
     if id.name = "malloc" then EF_malloc else
     if id.name = "free" then EF_free else
     if Str.string_match re_builtin id.name 0
+    && List.mem_assoc id.name builtins.functions
     then EF_builtin(id', sg)
     else EF_external(id', sg) in
   (id', Gfun(External(ef, args, res, cconv)))
-- 
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