From bbb5f07626835f063fd7e10427dec383e6ad0adf Mon Sep 17 00:00:00 2001
From: Hans Wennborg <hans@hanshq.net>
Date: Fri, 25 Apr 2014 16:24:19 +0000
Subject: [PATCH] clang-cl: pass -debug flag to the linker when compiling with
 debug info

llvm-svn: 207233
---
 clang/lib/Driver/Tools.cpp  | 4 ++++
 clang/test/Driver/cl-link.c | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 0a45fa190a1c..924e040246db 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -7435,6 +7435,10 @@ void visualstudio::Link::ConstructJob(Compilation &C, const JobAction &JA,
 
   CmdArgs.push_back("-nologo");
 
+  if (Args.hasArg(options::OPT_g_Group)) {
+    CmdArgs.push_back("-debug");
+  }
+
   bool DLL = Args.hasArg(options::OPT__SLASH_LD, options::OPT__SLASH_LDd);
 
   if (DLL) {
diff --git a/clang/test/Driver/cl-link.c b/clang/test/Driver/cl-link.c
index 24e0702c8ab3..309c27dab145 100644
--- a/clang/test/Driver/cl-link.c
+++ b/clang/test/Driver/cl-link.c
@@ -31,3 +31,7 @@
 // ASAN-DLL: "-incremental:no"
 // ASAN-DLL: "{{.*}}clang_rt.asan_dll_thunk-i386.lib"
 // ASAN-DLL: "{{.*}}cl-link{{.*}}.obj"
+
+// RUN: %clang_cl /Zi /Tc%s -### 2>&1 | FileCheck --check-prefix=DEBUG %s
+// DEBUG: link.exe
+// DEBUG: "-debug"