[Modules] Update Clang's two files that use DEBUG(...) without defining
DEBUG_TYPE to do so. LLVM's Debug.h requires this as of r206822.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@206823 91177308-0d34-0410-b5e6-96231b3b80d8
Allow adding a value to a flag in diagnostics.

Summary:
This allows callers of Diags.Report() to append a value to the name of
the flag associated with the diagnostic. This is useful in cases like
the -Rpass flag, where we want the diagnostic to show the name of the
pass that matched the pattern. Instead of showing "... [-Rpass]", this
allows us to show "... [-Rpass=passname]".

Reviewers: rsmith

CC: cfe-commits

Differential Revision: http://reviews.llvm.org/D3441

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@206826 91177308-0d34-0410-b5e6-96231b3b80d8
Thread safety analysis:  misc updates to SExpr handling.  Fix to minimal SSA,
function parameters, and compound assignment.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@206827 91177308-0d34-0410-b5e6-96231b3b80d8