// RUN: %clang_cc1 -E -Dtest=FOO -imacros %S/pr2086.h %s | grep 'HERE: test'
// This should not be expanded into FOO because pr2086.h undefs 'test'.
HERE: test
// RUN: %clang_cc1 -E -Dtest=FOO -imacros %S/pr2086.h %s | grep 'HERE: test'
// This should not be expanded into FOO because pr2086.h undefs 'test'.
HERE: test