Move the resize file feature from mapped_file_region to the only user.
This removes a duplicated stat on every file that llvm-ar looks at.
llvm-svn: 224138
diff --git a/llvm/lib/Support/FileOutputBuffer.cpp b/llvm/lib/Support/FileOutputBuffer.cpp
index e6e4da3..df4ae93 100644
--- a/llvm/lib/Support/FileOutputBuffer.cpp
+++ b/llvm/lib/Support/FileOutputBuffer.cpp
@@ -77,6 +77,10 @@
if (EC)
return EC;
+ EC = sys::fs::resize_file(FD, Size);
+ if (EC)
+ return EC;
+
auto MappedFile = llvm::make_unique<mapped_file_region>(
FD, mapped_file_region::readwrite, Size, 0, EC);
int Ret = close(FD);