clang/test/Tooling: Tweak 4 tests to escape the path separator s/\\/\\\\/g in JSON.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@157351 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Tooling/clang-check-pwd.cpp b/test/Tooling/clang-check-pwd.cpp
index 96417df..8dd9e6e 100644
--- a/test/Tooling/clang-check-pwd.cpp
+++ b/test/Tooling/clang-check-pwd.cpp
@@ -1,6 +1,6 @@
 // RUN: rm -rf %t
 // RUN: mkdir %t
-// RUN: echo "[{\"directory\":\".\",\"command\":\"clang++ -c %t/test.cpp\",\"file\":\"%t/test.cpp\"}]" > %t/compile_commands.json
+// RUN: echo "[{\"directory\":\".\",\"command\":\"clang++ -c %t/test.cpp\",\"file\":\"%t/test.cpp\"}]" | sed -e 's/\\/\\\\/g' > %t/compile_commands.json
 // RUN: cp "%s" "%t/test.cpp"
 // RUN: PWD="%t" clang-check "%t" "test.cpp" 2>&1|FileCheck %s
 // FIXME: Make the above easier.
@@ -9,4 +9,3 @@
 invalid;
 
 // REQUIRES: shell
-// XFAIL: mingw32