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[Support] Fix some warnings when self-hosting clang on Windows

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186413 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Kleckner 2013-07-16 14:04:08 +00:00
parent f0d0a1681a
commit e7ff008462
2 changed files with 5 additions and 2 deletions
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5
lib/Support/ErrorHandling.cpp
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@ -96,4 +96,9 @@ void llvm::llvm_unreachable_internal(const char *msg, const char *file,
dbgs() << " at " << file << ":" << line;
dbgs() << "!\n";
abort();
#ifdef LLVM_BUILTIN_UNREACHABLE
// Windows systems and possibly others don't declare abort() to be noreturn,
// so use the unreachable builtin to avoid a Clang self-host warning.
LLVM_BUILTIN_UNREACHABLE;
#endif
}

2
lib/Support/Windows/Path.inc
View File

@ -756,7 +756,6 @@ error_code mapped_file_region::init(int FD, bool CloseFD, uint64_t Offset) {
case readonly: flprotect = PAGE_READONLY; break;
case readwrite: flprotect = PAGE_READWRITE; break;
case priv: flprotect = PAGE_WRITECOPY; break;
default: llvm_unreachable("invalid mapping mode");
}
FileMappingHandle = ::CreateFileMapping(FileHandle,
@ -780,7 +779,6 @@ error_code mapped_file_region::init(int FD, bool CloseFD, uint64_t Offset) {
case readonly: dwDesiredAccess = FILE_MAP_READ; break;
case readwrite: dwDesiredAccess = FILE_MAP_WRITE; break;
case priv: dwDesiredAccess = FILE_MAP_COPY; break;
default: llvm_unreachable("invalid mapping mode");
}
Mapping = ::MapViewOfFile(FileMappingHandle,
dwDesiredAccess,