Oreo  |  8.0.0_r4
C++程序  |  5行  |  161 B 

// 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