From 6db589fff5be05e3e782a34443a1133ebc6ef17d Mon Sep 17 00:00:00 2001
From: Andrew Kelley <superjoe30@gmail.com>
Date: Sat, 30 Sep 2017 20:20:51 -0400
Subject: don't try to use cold calling convention on windows

it just causes a segfault
---
 src/codegen.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'src/codegen.cpp')

diff --git a/src/codegen.cpp b/src/codegen.cpp
index 2d7b5bb1d4..623f946307 100644
--- a/src/codegen.cpp
+++ b/src/codegen.cpp
@@ -337,7 +337,12 @@ static LLVMCallConv get_llvm_cc(CodeGen *g, CallingConvention cc) {
             if (g->zig_target.arch.arch == ZigLLVM_x86 ||
                 g->zig_target.arch.arch == ZigLLVM_x86_64)
             {
-                return LLVMColdCallConv;
+                // cold calling convention is not supported on windows
+                if (g->zig_target.os == ZigLLVM_Win32) {
+                    return LLVMCCallConv;
+                } else {
+                    return LLVMColdCallConv;
+                }
             } else {
                 return LLVMCCallConv;
             }
-- 
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