From 7fd43e8bf7f4f700ee6e389e064685f8d5c677a9 Mon Sep 17 00:00:00 2001
From: Christian Kamm <kamm@incasoftware.de>
Date: Wed, 27 May 2009 19:20:18 +0200
Subject: [PATCH] Error instead of assert on delegate literals as constant
 expressions. Make function literal linkage internal inside functions and
 external otherwise.

---
 gen/toir.cpp   | 6 +++++-
 gen/tollvm.cpp | 3 ---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/gen/toir.cpp b/gen/toir.cpp
index 0ca1d743..06cdb226 100644
--- a/gen/toir.cpp
+++ b/gen/toir.cpp
@@ -2297,7 +2297,11 @@ LLConstant* FuncExp::toConstElem(IRState* p)
     LOG_SCOPE;
 
     assert(fd);
-    assert(fd->tok == TOKfunction);
+    if (fd->tok != TOKfunction)
+    {
+        assert(fd->tok == TOKdelegate);
+        error("delegate literals as constant expressions are not yet allowed");
+    }
 
     fd->codegen(Type::sir);
     assert(fd->ir.irFunc->func);
diff --git a/gen/tollvm.cpp b/gen/tollvm.cpp
index f459a5d7..687c86b0 100644
--- a/gen/tollvm.cpp
+++ b/gen/tollvm.cpp
@@ -265,9 +265,6 @@ LLGlobalValue::LinkageTypes DtoLinkage(Dsymbol* sym)
         // extern(C) functions are always external
         else if (ft->linkage == LINKc)
             return llvm::GlobalValue::ExternalLinkage;
-        // Function & delegate literals, foreach bodies and lazy parameters: internal linkage
-        else if (fdecl->isFuncLiteralDeclaration())
-            return llvm::GlobalValue::InternalLinkage;
     }
     // class
     else if (ClassDeclaration* cd = sym->isClassDeclaration())