From 960813e1643ec788707bf18b0cdce4bb142d560a Mon Sep 17 00:00:00 2001
From: David Majnemer <david.majnemer@gmail.com>
Date: Sat, 20 Feb 2016 09:23:47 +0000
Subject: [MSVC Compat] Implement -EHc semantics

The -EHc flag implicitly adds a nothrow attribute to any extern "C"
function when exceptions are enabled.

llvm-svn: 261425
---
 clang/lib/Frontend/CompilerInvocation.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'clang/lib/Frontend/CompilerInvocation.cpp')

diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 2e0822794ee..cf4b5cf20a1 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -1688,6 +1688,7 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK,
   Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions);
   Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions);
   Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions);
+  Opts.ExternCNoUnwind = Args.hasArg(OPT_fexternc_nounwind);
   Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp);
 
   Opts.RTTI = Opts.CPlusPlus && !Args.hasArg(OPT_fno_rtti);
-- 
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