clang/test/Modules/include-relative.c REQUIRES shell due to chdir.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@203550 91177308-0d34-0410-b5e6-96231b3b80d8
clang-format: Detect weird macro lambda usage.

Before:
  void f() {
    MACRO((const AA & a) { return 1; });
  }

After:
  void f() {
    MACRO((const AA &a) { return 1; });
  }

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@203551 91177308-0d34-0410-b5e6-96231b3b80d8
clang::HeaderSearch: Use default constructor even for POD.

Unfortunately, msvc 2012 didn't accept non-static member initializer.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@203554 91177308-0d34-0410-b5e6-96231b3b80d8