// Test coverage flag.
//
// RUN: %clang_cl -### -coverage %s -o foo/bar.o 2>&1 | FileCheck -check-prefix=CLANG-CL-COVERAGE %s
// CLANG-CL-COVERAGE-NOT: error:
// CLANG-CL-COVERAGE-NOT: warning:
// CLANG-CL-COVERAGE-NOT: argument unused
// CLANG-CL-COVERAGE-NOT: unknown argument

// Test coverage flag.
// REQUIRES: system-windows
//
// RUN: %clang_cl -### -coverage %s -o foo/bar.o 2>&1 | FileCheck -check-prefix=CLANG-CL-COVERAGE %s
// CLANG-CL-COVERAGE-NOT: error:
// CLANG-CL-COVERAGE-NOT: warning:
// CLANG-CL-COVERAGE-NOT: argument unused
// CLANG-CL-COVERAGE-NOT: unknown argument

Add a missing "REQUIRES: system-windows" to a Windows-only test.
Add a missing "REQUIRES: system-windows" to a Windows-only test.

This un-breaks builds on other platforms. Otherwise, they fail due to warnings like:

warning: unable to find a Visual Studio installation; try running Clang from a developer command prompt [-Wmsvc-not-found]

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@317716 91177308-0d34-0410-b5e6-96231b3b80d8
