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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172316 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/AST/Decl.cpp b/lib/AST/Decl.cpp
index 986430595bd61e228b2f95d907658e5a2d7a9229..2987e7c276aa66e9a3490bee88c515577cbac14e 100644 (file)
--- a/lib/AST/Decl.cpp
+++ b/lib/AST/Decl.cpp
@@ -1761,6 +1761,9 @@ bool FunctionDecl::isReservedGlobalPlacementOperator() const {
 }
 
 bool FunctionDecl::hasCLanguageLinkage() const {
+  if (getBuiltinID())
+    return true;
+
   return hasCLanguageLinkageTemplate(*this);
 }
 

diff --git a/test/SemaCXX/builtins.cpp b/test/SemaCXX/builtins.cpp
index 6b055cff640d7a46d0f65a2ceeaa4d7f4f0e2ba1..5d61690c16e5e57127af3110f968d4b265544b25 100644 (file)
--- a/test/SemaCXX/builtins.cpp
+++ b/test/SemaCXX/builtins.cpp
@@ -20,3 +20,7 @@ template int equal<&__builtin_strcmp>(const char*, const char*); // expected-err
 void f2() {
   __builtin_isnan; // expected-error {{builtin functions must be directly called}}
 }
+
+// pr14895
+typedef __typeof(sizeof(int)) size_t;
+extern "C" void *__builtin_alloca (size_t);