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Author SHA1 Message Date
Reid Kleckner 6f6e76dfe0 Revert "Move -fms-extensions predefined macros into InitPreprocessor" 
This reverts commit r206413.

This was proposed before, but it's not clear if this is really a good
idea:
http://reviews.llvm.org/D3034

llvm-svn: 206415
 2014-04-16 20:10:16 +00:00
Reid Kleckner ae4759df00 Move -fms-extensions predefined macros into InitPreprocessor 
If someone on Linux asks for -fms-extensions, there's no reason not to
define the feature test macros that MSVC defines.

llvm-svn: 206413
 2014-04-16 19:47:06 +00:00
Reid Kleckner 596b85cc23 Match MSVC's handling of commas during macro argument expansion 
This allows clang to parse the type_traits header in Visual Studio 2012,
which is included widely in practice.

This is a rework of r163022 by João Matos.  The original patch broke
preprocessing of gtest headers, which this patch addresses.

Patch by Will Wilson!

llvm-svn: 184968
 2013-06-26 17:16:08 +00:00
Nico Weber dd9602fe93 Revert r163022, it caused PR13924. 
Add a test for PR13924. Do not revert the test added in r163022,
it surprisingly still passes even after reverting the code changes.

llvm-svn: 164672
 2012-09-26 08:19:01 +00:00
Joao Matos c0d4c1bcde Normalize line endings of r163022. 
llvm-svn: 163023
 2012-08-31 21:34:27 +00:00
Joao Matos e85e3b64f8 Emulate MSVC's preprocessor macro argument separator behavior by not considering commas from nested macro expansions as argument separators. Fixes parsing of VS 2012 headers. 
llvm-svn: 163022
 2012-08-31 21:10:54 +00:00