From 6275c66a89e8b783f41333f18b7c3bee7b5bd89f Mon Sep 17 00:00:00 2001
From: David Nadlinger <code@klickverbot.at>
Date: Thu, 6 Sep 2012 03:37:21 +0200
Subject: [PATCH] Fixed segfault on invalid naked functions.

Emitting a frontend error during codegen is somewhat problematic in
any case, but stopping if an error ocurred should work just fine here.
---
 gen/naked.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/gen/naked.cpp b/gen/naked.cpp
index 15bd27e7..b703f758 100644
--- a/gen/naked.cpp
+++ b/gen/naked.cpp
@@ -18,7 +18,7 @@
 
 void Statement::toNakedIR(IRState *p)
 {
-    error("not allowed in naked function");
+    error("statement not allowed in naked function");
 }
 
 //////////////////////////////////////////////////////////////////////////////////////////
@@ -179,6 +179,11 @@ void DtoDefineNakedFunction(FuncDeclaration* fd)
     // emit body
     fd->fbody->toNakedIR(gIR);
 
+    // We could have generated new errors in toNakedIR(), but we are in codegen
+    // already so we have to abort here.
+    if (global.errors)
+        fatal();
+
     // emit size after body
     // llvm does this on linux, but not on osx or Win
     if (global.params.os != OSMacOSX && global.params.os != OSWindows)