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[rust] Comment out __builtin_available() use (#21)

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__builtin_available() pulls in __isOSVersionAtLeast() from
compiler-rt. Comment it out so we don't have to figure out how
to pull in this symbol...
This commit is contained in:
Nikita Popov 2019-07-12 16:06:11 +02:00 committed by Nikita Popov
parent 405217ea31
commit 76b1dfdd09
1 changed files with 1 additions and 1 deletions
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2
llvm/lib/Support/Unix/Path.inc
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@ -1476,7 +1476,7 @@ namespace fs {
std::error_code copy_file(const Twine &From, const Twine &To) {
std::string FromS = From.str();
std::string ToS = To.str();
#if __has_builtin(__builtin_available)
#if 0 && __has_builtin(__builtin_available)
if (__builtin_available(macos 10.12, *)) {
// Optimistically try to use clonefile() and handle errors, rather than
// calling stat() to see if it'll work.