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2dfb7e4fe8
The fix in r306003 uncovered a pretty fundamental problem that libc++ implementation of std::result_of does not handle the prototype of open(2) correctly (presumably because it contains ...). This makes the whole function unusable in its current form, so I am also reverting the original commit (r305892), which introduced the function, at least until I figure out a way to solve the libc++ issue. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@306005 91177308-0d34-0410-b5e6-96231b3b80d8
llvm/lib/Support/Unix README =========================== This directory provides implementations of the lib/System classes that are common to two or more variants of UNIX. For example, the directory structure underneath this directory could look like this: Unix - only code that is truly generic to all UNIX platforms Posix - code that is specific to Posix variants of UNIX SUS - code that is specific to the Single Unix Specification SysV - code that is specific to System V variants of UNIX As a rule, only those directories actually needing to be created should be created. Also, further subdirectories could be created to reflect versions of the various standards. For example, under SUS there could be v1, v2, and v3 subdirectories to reflect the three major versions of SUS.