From e59880bb11e551c3174af606332a7882e625f7cb Mon Sep 17 00:00:00 2001
From: Joseph Brill <48932340+jcbrill@users.noreply.github.com>
Date: Mon, 15 Jun 2020 08:48:57 -0400
Subject: Msvc 14.1Exp detection raises an UnsupportedVersion exception due to
 a missing "14.Exp" key in the _VCVER_TO_VSWHERE_VER dictionary.  Add the
 "14.Exp" to the dictionary.

---
 SCons/Tool/MSCommon/vc.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/SCons/Tool/MSCommon/vc.py b/SCons/Tool/MSCommon/vc.py
index 70a19a8..91265d2 100644
--- a/SCons/Tool/MSCommon/vc.py
+++ b/SCons/Tool/MSCommon/vc.py
@@ -231,8 +231,9 @@ _VCVER = ["14.2", "14.1", "14.1Exp", "14.0", "14.0Exp", "12.0", "12.0Exp", "11.0
 
 # if using vswhere, a further mapping is needed
 _VCVER_TO_VSWHERE_VER = {
-    '14.2': '[16.0, 17.0)',
-    '14.1': '[15.0, 16.0)',
+    '14.2':    '[16.0, 17.0)',
+    '14.1':    '[15.0, 16.0)',
+    '14.1Exp': '[15.0, 16.0)',
 }
 
 _VCVER_TO_PRODUCT_DIR = {
-- 
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