From 228971738f80de6f02aee0d6f8018f5209cf7c9c Mon Sep 17 00:00:00 2001
From: Argyrios Kyrtzidis <akyrtzi@gmail.com>
Date: Fri, 7 Oct 2011 22:58:08 +0000
Subject: [arcmt] Ignore linking errors when doing ARC migration,
 rdar://10247606

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141434 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Driver/Tools.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'lib/Driver/Tools.cpp')

diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 1e8dcb7090..648da87c8e 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -3372,6 +3372,18 @@ void darwin::Link::ConstructJob(Compilation &C, const JobAction &JA,
   // more information.
   ArgStringList CmdArgs;
 
+  /// Hack(tm) to ignore linking errors when we are doing ARC migration.
+  if (Args.hasArg(options::OPT_ccc_arcmt_check,
+                  options::OPT_ccc_arcmt_migrate)) {
+    for (ArgList::const_iterator I = Args.begin(), E = Args.end(); I != E; ++I)
+      (*I)->claim();
+    const char *Exec =
+      Args.MakeArgString(getToolChain().GetProgramPath("touch"));
+    CmdArgs.push_back(Output.getFilename());
+    C.addCommand(new Command(JA, *this, Exec, CmdArgs));
+    return;
+  }
+
   // I'm not sure why this particular decomposition exists in gcc, but
   // we follow suite for ease of comparison.
   AddLinkArgs(C, Args, CmdArgs);
-- 
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