Driver: -mkernel and -fapple-kext imply -mno-red-zone.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70010 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 8393e9c..8ff8197 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -307,7 +307,9 @@
CmdArgs.push_back("--unwind-tables=0");
if (!Args.hasFlag(options::OPT_mred_zone,
options::OPT_mno_red_zone,
- true))
+ true) ||
+ Args.hasArg(options::OPT_mkernel) ||
+ Args.hasArg(options::OPT_fapple_kext))
CmdArgs.push_back("--disable-red-zone");
if (Args.hasFlag(options::OPT_msoft_float,
options::OPT_mno_soft_float,