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Author SHA1 Message Date
Nico Weber 007215044b Add driver flags -ftrigraphs, -fno-trigraphs. 
-trigraphs is now an alias for -ftrigraphs.  -fno-trigraphs makes it possible
to explicitly disable trigraphs, which couldn't be done before.

  clang -std=c++11 -fno-trigraphs

now builds without GNU extensions, but with trigraphs disabled.  Previously,
trigraphs were only disabled in GNU modes or with -std=c++1z.

Make the new -f flags the cc1 interface too.  This requires changing -trigraphs
to -ftrigraphs in a few cc1 tests.

Related to PR21974.

llvm-svn: 224790
 2014-12-23 22:32:37 +00:00
Daniel Dunbar 5618e98f33 Update tests to use %clang instead of 'clang', and forcibly disable use of ' 
clang ' or ' clang -cc1 ' or ' clang-cc ' in test lines (by substituting them to
garbage).

llvm-svn: 91460
 2009-12-15 22:01:24 +00:00
Daniel Dunbar 8b57697954 Eliminate &&s in tests. 
- 'for i in $(find . -type f); do sed -e 's#\(RUN:.*[^ ]\) *&& *$#\1#g' $i | FileUpdate $i; done', for the curious.

llvm-svn: 86430
 2009-11-08 01:45:36 +00:00
Sebastian Redl c6a9254f01 Convert some driver checks to FileCheck. 
llvm-svn: 85133
 2009-10-26 18:07:30 +00:00
Daniel Dunbar c44b4ccca8 Driver: Fix forwarding of -{std,ansi,trigraphs} when there are 
multiple instances of an option.

Also, removed direct -ansi support from clang-cc.

llvm-svn: 68558
 2009-04-07 22:13:21 +00:00