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Author SHA1 Message Date
Benjamin Kramer f3b323debc [Sema] Don't crash on scanf on forward-declared enums. 
This is valid in GNU C, which allows pointers to incomplete enums. GCC
just pretends that the underlying type is 'int' in those cases, follow
that behavior.

llvm-svn: 279374
 2016-08-20 16:51:33 +00:00
Jordan Rose bc53ed1ee6 Format strings: check against an enum's underlying type. 
This allows us to be more careful when dealing with enums whose fixed
underlying type requires special handling in a format string, like
NSInteger.

A refinement of r163266 from a year and a half ago, which added the
special handling for NSInteger and friends in the first place.

<rdar://problem/16616623>

llvm-svn: 209966
 2014-05-31 04:12:14 +00:00
Jordan Rose 98709985a6 Teach printf/scanf about enums with fixed underlying types. 
llvm-svn: 157961
 2012-06-04 22:48:57 +00:00