Improve recovery for lambda expressions that have 'mutable' or a
trailing return type but not a '()'. Recover by inserting the
parentheses. Thanks to Xeo on IRC for the example.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150727 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed