[NFC] XFAIL TestExecuteEmptyEnvironment

Author: jsji

llvm/unittests/Support/ProgramTest.cpp

@@ -695,7 +695,7 @@ TEST_F(ProgramEnvTest, TestExecuteEmptyEnvironment) {
   int RetCode = ExecuteAndWait(Executable, argv, ArrayRef<StringRef>{}, {}, 0,
                                0, &Error, &ExecutionFailed);
   EXPECT_FALSE(ExecutionFailed) << Error;
-#ifndef __MINGW32__
+#if 0 // INTEL
   // When running with an empty environment, the child process doesn't in herit
   // the PATH variable. On MinGW, it is common for executables to require a
   // shared libstdc++ or libc++ DLL, which may be in PATH but not in the