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Author SHA1 Message Date
Alexander Kornienko c0b4928df8 Fixed a problem with #pragma push_macro/pop_macro implementation. 
Summary:
The problem was with the following sequence:
  #pragma push_macro("long")
  #undef long
  #pragma pop_macro("long")
in case when "long" didn't represent a macro.
Fixed crash and removed code duplication for #undef/pop_macro case. Added regression tests.

Reviewers: doug.gregor, klimek

Reviewed By: doug.gregor

CC: cfe-commits, chapuni

Differential Revision: http://llvm-reviews.chandlerc.com/D31

llvm-svn: 162845
 2012-08-29 16:56:24 +00:00
Chris Lattner 57540c5be0 fix a bunch of comment typos found by codespell. Patch by 
Luis Felipe Strano Moraes!

llvm-svn: 129559
 2011-04-15 05:22:18 +00:00
Ted Kremenek 2c8028bcf4 In ~Preprocessor(), also cleanup the MacroInfo objects left-over from stray "#pragma push_macro" uses. This 
fixes a potential memory leak.

llvm-svn: 116826
 2010-10-19 17:40:53 +00:00
Chris Lattner c0a585d63c Implement #pragma push_macro, patch by Francois Pichet! 
llvm-svn: 111234
 2010-08-17 15:55:45 +00:00