From 1c25575621e53757234c1033d3e3ccddc5d86aa6 Mon Sep 17 00:00:00 2001
From: John Hodge <tpg@mutabah.net>
Date: Sun, 3 Jun 2018 11:02:21 +0800
Subject: Trans - Fix some minor errors from building with clang

---
 src/trans/codegen_c.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/trans/codegen_c.cpp')

diff --git a/src/trans/codegen_c.cpp b/src/trans/codegen_c.cpp
index f891d267..a4b0387a 100644
--- a/src/trans/codegen_c.cpp
+++ b/src/trans/codegen_c.cpp
@@ -196,6 +196,7 @@ namespace {
         } m_options;
 
         ::std::vector< ::std::pair< ::HIR::GenericPath, const ::HIR::Struct*> >   m_box_glue_todo;
+        ::std::set< ::HIR::TypeRef> m_emitted_fn_types;
     public:
         CodeGenerator_C(const ::HIR::Crate& crate, const ::std::string& outfile):
             m_crate(crate),
@@ -819,6 +820,11 @@ namespace {
         }
         void emit_type_fn(const ::HIR::TypeRef& ty)
         {
+            if( m_emitted_fn_types.count(ty) ) {
+                return ;
+            }
+            m_emitted_fn_types.insert(ty.clone());
+            
             const auto& te = ty.m_data.as_Function();
             m_of << "typedef ";
             // TODO: ABI marker, need an ABI enum?
-- 
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