tree 2fbc28fa9e64a74bd8bd6bdcdc9562d7457b8b0f
parent 632fbaa22fbed7c090eb83775731bfff786c2198
author Richard Smith <richard-llvm@metafoo.co.uk> 1340869916 +0000
committer Richard Smith <richard-llvm@metafoo.co.uk> 1340869916 +0000

Add warning flag -Winvalid-pp-token for preprocessing-tokens which have
undefined behaviour, and move the diagnostic for '' from an Error into
an ExtWarn in this group. This is important for some users of the preprocessor,
and is necessary for gcc compatibility.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159335 91177308-0d34-0410-b5e6-96231b3b80d8