First half of CWG1962: decltype(__func__) should not be a reference type,
because __func__ is supposed to act like a local static variable.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@221698 91177308-0d34-0410-b5e6-96231b3b80d8
clang-format: Preserve trailing-comma logic even with comments.

Before:
  vector<int> SomeVector = {// aaa
                            1, 2,
  };

After:
  vector<int> SomeVector = {
      // aaa
      1, 2,
  };

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@221699 91177308-0d34-0410-b5e6-96231b3b80d8
Patch to warn when logical evaluation of operand evalutes to a true value;
That this is a c-only patch. c++ already has this warning.
This addresses rdar://18716393


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@221702 91177308-0d34-0410-b5e6-96231b3b80d8