Expository comment submitted by Henrik Bach
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18976 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/System/Win32/TimeValue.cpp b/lib/System/Win32/TimeValue.cpp
index de8f267..34a5df1 100644
--- a/lib/System/Win32/TimeValue.cpp
+++ b/lib/System/Win32/TimeValue.cpp
@@ -32,6 +32,9 @@
std::string TimeValue::toString() const {
#ifdef __MINGW
+ // This ban may be lifted by either:
+ // (i) a future MinGW version other than 1.0 inherents the __time64_t type, or
+ // (ii) configure tests for either the time_t or __time64_t type.
time_t ourTime = time_t(this->toEpochTime());
struct tm *lt = ::localtime(&ourTime);
#else