1 files changed, 16 insertions, 1 deletions
diff --git a/compilerplugins/clang/compat.hxx b/compilerplugins/clang/compat.hxx
index 7a87944a3157..e1b4d8e4eba4 100644
--- a/compilerplugins/clang/compat.hxx
+++ b/compilerplugins/clang/compat.hxx
@@ -128,20 +128,35 @@ inline clang::QualType getReturnType(clang::FunctionDecl const & decl) {
 #endif
 }
 
+
 #if CLANG_VERSION >= 30900
 inline clang::ArrayRef<clang::ParmVarDecl *> parameters(
     clang::FunctionDecl const & decl)
 {
     return decl.parameters();
 }
-#else
+#elif CLANG_VERSION >= 30500
 inline clang::FunctionDecl::param_const_range parameters(
     clang::FunctionDecl const & decl)
 {
     return decl.params();
 }
+#else
+struct FunctionDeclParamsWrapper
+{
+    clang::FunctionDecl const & decl;
+    FunctionDeclParamsWrapper(clang::FunctionDecl const & _decl) : decl(_decl) {}
+    clang::FunctionDecl::param_const_iterator begin() const { return decl.param_begin(); }
+    clang::FunctionDecl::param_const_iterator end() const { return decl.param_end(); }
+};
+inline FunctionDeclParamsWrapper parameters(
+    clang::FunctionDecl const & decl)
+{
+    return FunctionDeclParamsWrapper(decl);
+}
 #endif
 
+
 inline clang::QualType getReturnType(clang::FunctionProtoType const & type) {
 #if CLANG_VERSION >= 30500
     return type.getReturnType();