compat for Clang 3.2

Change-Id: I2746abd05edd00dadfe613c17b9874b1035c3be4

compilerplugins/clang/compat.hxx

@@ -160,6 +160,26 @@ inline std::unique_ptr<llvm::raw_fd_ostream> create_raw_fd_ostream(
 #endif
 }
 
+inline clang::NamedDecl * const * begin(
+    clang::DeclContextLookupConstResult const & result)
+{
+#if (__clang_major__ == 3 && __clang_minor__ >= 3) || __clang_major__ > 3
+    return result.begin();
+#else
+    return result.first;
+#endif
+}
+
+inline clang::NamedDecl * const * end(
+    clang::DeclContextLookupConstResult const & result)
+{
+#if (__clang_major__ == 3 && __clang_minor__ >= 3) || __clang_major__ > 3
+    return result.end();
+#else
+    return result.second;
+#endif
+}
+
 }
 
 #endif

compilerplugins/clang/salbool.cxx

@@ -72,8 +72,10 @@ OverrideKind getOverrideKind(FunctionDecl const * decl) {
 // encounter in practice:
 bool hasBoolOverload(FunctionDecl const * decl, bool mustBeDeleted) {
     unsigned n = decl->getNumParams();
-    for (auto d: decl->getDeclContext()->lookup(decl->getDeclName())) {
-        FunctionDecl const * f = dyn_cast<FunctionDecl>(d);
+    DeclContextLookupConstResult res
+        = decl->getDeclContext()->lookup(decl->getDeclName());
+    for (auto d = compat::begin(res); d != compat::end(res); ++d) {
+        FunctionDecl const * f = dyn_cast<FunctionDecl>(*d);
         if (f != nullptr && (!mustBeDeleted || f->isDeleted())) {
             if (f->getNumParams() == n) {
                 bool hasSB = false;