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8 Commits

Author SHA1 Message Date
Richard Smith b0fe70451e Don't accept -std= values that would switch us to a different source language. 
We already prohibited this in most cases (in r130710), but had some bugs in our
enforcement of this rule. Specifically, this prevents the following
combinations:

 * -x c -std=clN.M, which would previously effectively act as if -x cl were
   used, despite the input being a C source file. (-x cl -std=cNN continues
   to be disallowed.)

 * -x c++ -std=cuda, which would previously select C++98 + CUDA, despite that
   not being a C++ standard. (-x cuda -std=c++NN is still permitted, and
   selects CUDA with the given C++ standard as its base language.
   -x cuda -std=cuda is still supported with the meaning of CUDA + C++98.)

 * -x renderscript -std=c++NN, which would previously form a hybrid "C++ with
   RenderScript extensions" language. We could support such a thing, but
   shouldn't do so by accident.

llvm-svn: 301497
 2017-04-26 23:44:33 +00:00
Craig Topper 49a2790fb3 [C++11] Use 'nullptr'. Frontend edition. 
llvm-svn: 209389
 2014-05-22 04:46:25 +00:00
David Blaikie f47fa304a4 Remove unnecessary default cases in switches over enums. 
This allows -Wswitch-enum to find switches that need updating when these enums are modified.

llvm-svn: 148281
 2012-01-17 02:30:50 +00:00
Chris Lattner 0e62c1cc0b remove unneeded llvm:: namespace qualifiers on some core types now that LLVM.h imports 
them into the clang namespace.

llvm-svn: 135852
 2011-07-23 10:55:15 +00:00
Chris Lattner 4b73cfabac rename llvm::llvm_report_error -> llvm::report_fatal_error 
llvm-svn: 100708
 2010-04-07 22:58:06 +00:00
Jeffrey Yasskin 1615d45daa Un-namespace-qualify llvm_unreachable. It's a macro, so the qualification gave 
no extra safety anyway.

llvm-svn: 91207
 2009-12-12 05:05:38 +00:00
Nuno Lopes 221c1fd63e spread 'const' love to some variables. this considerably reduces the amount of dirty data around. 
llvm-svn: 91002
 2009-12-10 00:07:02 +00:00
Daniel Dunbar e0d81f2237 Factor out a LangStandard class and coalesce the information about the standards into LangStandards.def 
- I'd appreciate another pair of eyeballs to double check this.

llvm-svn: 89919
 2009-11-26 02:14:31 +00:00