Formatter: Add tests for try/catch. Let 'throw' start an expression.

Before:
  throw a *b;

Now:
  throw a * b;



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@171754 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed