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Author SHA1 Message Date
David Majnemer 78324f2bce [MSVC Compatibility] Don't diagnose c-style cast from void-ptr to fn-ptr 
The machinery added to permit a static_cast from void-ptr to fn-ptr
unintentionally gets triggered for c-style casts and function-style
casts.  The observable effect was a diagnostic issued inappropriately.

llvm-svn: 239382
 2015-06-09 02:41:08 +00:00
David Majnemer 85bd120679 [MSVC Compatibility] Permit static_cast from void-ptr to function-ptr 
The MSVC 2013 and 2015 implementation of std::atomic is specialized for
pointer types.  The member functions are implemented using a static_cast
from void-ptr to function-ptr which is not allowed in the standard.
Permit this conversion if -fms-compatibility is present.

This fixes PR23733.

llvm-svn: 238877
 2015-06-02 22:15:12 +00:00
Eli Friedman 59e41d046e Shift Microsoft enum extensions from -fms-extensions to -fms-compatibility, so -fms-extensions doesn't affect enum semantics in incompatible ways. <rdar://problem/10657186>. 
llvm-svn: 150663
 2012-02-16 05:20:44 +00:00