From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Sat, 12 Jan 2013 15:27:44 +0000 (+0000)
Subject: comment
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=6dcea67483a72e47db0a382e8d073340927ac27f;p=clang

comment

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172317 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/AST/Decl.cpp b/lib/AST/Decl.cpp
index 2987e7c276..aeffd0a240 100644
--- a/lib/AST/Decl.cpp
+++ b/lib/AST/Decl.cpp
@@ -1761,6 +1761,9 @@ bool FunctionDecl::isReservedGlobalPlacementOperator() const {
 }
 
 bool FunctionDecl::hasCLanguageLinkage() const {
+  // Users expect to be able to write
+  // extern "C" void *__builtin_alloca (size_t);
+  // so consider builtins as having C language linkage.
   if (getBuiltinID())
     return true;