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-builtin-headers.cpp b/test/Tooling/clang-check-builtin-headers.cpp
index 4324dec..fda68cc 100644
--- a/test/Tooling/clang-check-builtin-headers.cpp
+++ b/test/Tooling/clang-check-builtin-headers.cpp
@@ -1,7 +1,7 @@
 // RUN: rm -rf %t
 // RUN: mkdir %t
 // Add a path that doesn't exist as argv[0] for the compile command line:
-// RUN: echo '[{"directory":".","command":"/random/tool -c %t/test.cpp","file":"%t/test.cpp"}]' > %t/compile_commands.json
+// RUN: echo '[{"directory":".","command":"/random/tool -c %t/test.cpp","file":"%t/test.cpp"}]' | sed -e 's/\\/\//g' > %t/compile_commands.json
 // RUN: cp "%s" "%t/test.cpp"
 // RUN: clang-check "%t" "%t/test.cpp" 2>&1|FileCheck %s
 // FIXME: Make the above easier.
@@ -11,5 +11,5 @@
 // CHECK: C++ requires
 invalid;
 
-// FIXME: JSON doesn't like path separator '\', on Win32 hosts.
+// FIXME: This is incompatible to -fms-compatibility.
 // XFAIL: win32