Actually requiring shell disables the test on Windows whereas

previously requiring shell-preserves-root did not, so do not 
require anything.

llvm-svn: 242314

clang/test/Driver/darwin-sdkroot.c

@@ -31,9 +31,6 @@
 // CHECK-NONROOT: "-cc1"
 // CHECK-NONROOT-NOT: "-isysroot"
 //
-// It doesn't make sense on msys bash.
-// REQUIRES: shell
-//
 // This test fails with MSYS or MSYS2 env.exe, since it does not preserve
 // root, expanding / into C:/MINGW/MSYS/1.0 or c:/msys64. To reproduce the
 // problem, run:

clang/test/Driver/dyld-prefix.c

@@ -1,5 +1,3 @@
-// REQUIRES: shell
-
 // RUN: touch %t.o
 
 // RUN: %clang -target i386-unknown-linux --dyld-prefix /foo -### %t.o 2>&1 | FileCheck --check-prefix=CHECK-32 %s