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-rw-r--r--include/clang/AST/Type.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/clang/AST/Type.h b/include/clang/AST/Type.h
index 0b455aed29..7400fe9ed3 100644
--- a/include/clang/AST/Type.h
+++ b/include/clang/AST/Type.h
@@ -27,6 +27,11 @@ using llvm::cast_or_null;
using llvm::dyn_cast;
using llvm::dyn_cast_or_null;
+namespace llvm {
+ template <typename T>
+ class PointerLikeTypeInfo;
+}
+
namespace clang {
class ASTContext;
class Type;
@@ -218,6 +223,17 @@ template<> struct simplify_type<const ::clang::QualType> {
template<> struct simplify_type< ::clang::QualType>
: public simplify_type<const ::clang::QualType> {};
+// Teach SmallPtrSet that QualType is "basically a pointer".
+template<>
+class PointerLikeTypeInfo<clang::QualType> {
+public:
+ static inline void *getAsVoidPointer(clang::QualType P) {
+ return P.getAsOpaquePtr();
+ }
+ static inline clang::QualType getFromVoidPointer(void *P) {
+ return clang::QualType::getFromOpaquePtr(P);
+ }
+};
} // end namespace llvm
namespace clang {