win_toolchain: Ignore ReportQueue entries in calculating toolchain hash

win_toolchain/get_toolchain_if_necessary.py

Index: win_toolchain/get_toolchain_if_necessary.py
diff --git a/win_toolchain/get_toolchain_if_necessary.py b/win_toolchain/get_toolchain_if_necessary.py
index 07e82729eee15089c6fbe9d90f4d8e99d580a6c9..0b6e62d726b88f1628cc6e43973adc322423470c 100755
--- a/win_toolchain/get_toolchain_if_necessary.py
+++ b/win_toolchain/get_toolchain_if_necessary.py
@@ -74,7 +74,9 @@ def GetFileList(root):
   file_list = []
   for base, _, files in os.walk(root):
     paths = [os.path.join(base, f) for f in files]
-    file_list.extend(x.lower() for x in paths)
+    # Ignore WER ReportQueue entries that vctip/cl leave in the bin dir if/when
+    # they crash.
+    file_list.extend(x.lower() for x in paths if 'WER\\ReportQueue' not in x)
   return sorted(file_list, key=lambda s: s.replace('/', '\\'))