From c400d180d2c58be3b1d61a21775c3ea4679a25a3 Mon Sep 17 00:00:00 2001
From: David Nadlinger <code@klickverbot.at>
Date: Sat, 19 Oct 2013 19:27:38 +0200
Subject: [PATCH] Immediately exit on function type mismatch to avoid LLVM
 crash.

---
 gen/functions.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gen/functions.cpp b/gen/functions.cpp
index 92bc713f..2761991e 100644
--- a/gen/functions.cpp
+++ b/gen/functions.cpp
@@ -767,6 +767,7 @@ void DtoDeclareFunction(FuncDeclaration* fdecl)
         }
     } else if (func->getFunctionType() != functype) {
         error(fdecl->loc, "Function type does not match previously declared function with the same mangled name: %s", fdecl->mangle());
+        fatal();
     }
 
     func->setCallingConv(gABI->callingConv(link));