Revert r235177 as the Handle is used to fail GetExitCodeProcess on purpose.

Avoid double closing of the handle by testing GetLastErr for 
ERROR_INVALID_HANDLE and not calling CloseHandle(PI.ProcessHandle) then.

llvm-svn: 235184

1 files changed, 3 insertions, 1 deletions

diff --git a/llvm/lib/Support/Windows/Program.inc b/llvm/lib/Support/Windows/Program.inc
index 32602345f65..75685de4554 100644
--- a/llvm/lib/Support/Windows/Program.inc
+++ b/llvm/lib/Support/Windows/Program.inc
@@ -423,6 +423,7 @@ ProcessInfo sys::Wait(const ProcessInfo &PI, unsigned SecondsToWait,
         return WaitResult;
       }
       WaitForSingleObject(PI.ProcessHandle, INFINITE);
+      CloseHandle(PI.ProcessHandle);
     } else {
       // Non-blocking wait.
       return ProcessInfo();
@@ -433,7 +434,8 @@ ProcessInfo sys::Wait(const ProcessInfo &PI, unsigned SecondsToWait,
   DWORD status;
   BOOL rc = GetExitCodeProcess(PI.ProcessHandle, &status);
   DWORD err = GetLastError();
-  CloseHandle(PI.ProcessHandle);
+  if (err != ERROR_INVALID_HANDLE)
+    CloseHandle(PI.ProcessHandle);
 
   if (!rc) {
     SetLastError(err);