[gcc r12-798] Cleanup temp files in libphobos unittest at src/std/process.d

[Bernd Edlinger <edlinger@gcc.gnu.org>]

https://gcc.gnu.org/g:cb787efa45782adab764575a2efc356e082828b6

commit r12-798-gcb787efa45782adab764575a2efc356e082828b6
Author: Bernd Edlinger <bernd.edlinger@hotmail.de>
Date:   Fri May 14 07:10:59 2021 +0200

    Cleanup temp files in libphobos unittest at src/std/process.d
    
    2021-05-14  Bernd Edlinger  <bernd.edlinger@hotmail.de>
    
            * src/std/process.d (unittest): Remove tmpname on exit.
            * src/MERGE: Merge upstream phobos 63f4caa90.

Diff:
---
 libphobos/src/MERGE         | 2 +-
 libphobos/src/std/process.d | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/libphobos/src/MERGE b/libphobos/src/MERGE
index 49622c5c548..ac709f9c807 100644
--- a/libphobos/src/MERGE
+++ b/libphobos/src/MERGE
@@ -1,4 +1,4 @@
-32cfe9b61570d52d9885b0208fd20de0d351b51e
+63f4caa900e17c541042617b2fa187059b86bf88
 
 The first line of this file holds the git revision number of the last
 merge done from the dlang/phobos repository.
diff --git a/libphobos/src/std/process.d b/libphobos/src/std/process.d
index 63ec49365b9..1e977aa34f5 100644
--- a/libphobos/src/std/process.d
+++ b/libphobos/src/std/process.d
@@ -2581,6 +2581,7 @@ private auto executeImpl(alias pipeFunc, Cmd, ExtraPipeFuncArgs...)(
 
     ReturnType!executeShell r;
     auto tmpname = uniqueTempPath;
+    scope(exit) if (exists(tmpname)) remove(tmpname);
     auto t = stderr;
     // Open a new scope to minimize code ran with stderr redirected.
     {