Tools.cpp: Avoid std::to_string() on -fbuild-session-timestamp to appease mingw32 builder.
llvm-svn: 214656
diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index bcc8056..1469761 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -3863,9 +3863,10 @@
llvm::sys::fs::file_status Status;
if (llvm::sys::fs::status(A->getValue(), Status))
D.Diag(diag::err_drv_no_such_file) << A->getValue();
- auto Timestamp = Status.getLastModificationTime().toEpochTime();
- CmdArgs.push_back(Args.MakeArgString("-fbuild-session-timestamp=" +
- std::to_string(Timestamp)));
+ char TimeStamp[48];
+ snprintf(TimeStamp, sizeof(TimeStamp), "-fbuild-session-timestamp=%" PRIu64,
+ (uint64_t)Status.getLastModificationTime().toEpochTime());
+ CmdArgs.push_back(Args.MakeArgString(TimeStamp));
}
if (Args.getLastArg(options::OPT_fmodules_validate_once_per_build_session)) {