Summary: Also makes them pass on Darwin, if the default target triple is a Linux triple.
Reviewers: bruno, rsmith
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D38364
llvm-svn: 314524
This used to work before r284797 + r285152, which exposed something
interesting; some users include builtins from umbrella headers.
Clang should emit a warning to warn users this is not a good practice
and umbrella headers shouldn't get the
implicitly-add-the-builtin-version behavior for builtin header names.
While we're not there, add the testcase to represent the way it
currently works.
llvm-svn: 285377
Fangrui Song