Appease test/clang-tidy/misc-unused-parameters.cpp for targeting *-win32, to add -fno-delayed-template-parsing.

Note, clang-tidy tests wouldn't run on Windows hosts since they are disabled with REQUIRES:shell.
The failure would be raised with cross building.

llvm-svn: 242984

clang-tools-extra/test/clang-tidy/check_clang_tidy.sh

@@ -17,6 +17,8 @@ shift 3
 if [ "$#" -eq 0 ] ; then
   # Default to -- --std=c++11
   set - -- --std=c++11
+  # Suppress -target=*-win32.
+  set - -- -fno-delayed-template-parsing
 fi
 
 set -o errexit