[csmith-project/creduce] 60c63b: handle cases where return type is macro

[Yang Chen <noreply@github.com>]

  Branch: refs/heads/master
  Home:   https://github.com/csmith-project/creduce
  Commit: 60c63bc887909898136c57b5025885e24794f30b
      https://github.com/csmith-project/creduce/commit/60c63bc887909898136c57b5025885e24794f30b
  Author: Yang Chen <chenyang@cs.utah.edu>
  Date:   2019-08-11 (Sun, 11 Aug 2019)

  Changed paths:
    M clang_delta/ReturnVoid.cpp
    A clang_delta/tests/return-void/test1.c

  Log Message:
  -----------
  handle cases where return type is macro


  Commit: ed1d5b653014480a9d1084578ecb4f9c27e900d4
      https://github.com/csmith-project/creduce/commit/ed1d5b653014480a9d1084578ecb4f9c27e900d4
  Author: Yang Chen <chenyang@cs.utah.edu>
  Date:   2019-08-11 (Sun, 11 Aug 2019)

  Changed paths:
    M clang_delta/ReturnVoid.cpp
    A clang_delta/tests/return-void/test1.cc
    A clang_delta/tests/return-void/test2.c
    A clang_delta/tests/return-void/test3.c
    A clang_delta/tests/return-void/test4.c
    A clang_delta/tests/return-void/test5.c

  Log Message:
  -----------
  added several tests for return-void pass

also a minor change to insert void to a function which has
implicit return type.


Compare: https://github.com/csmith-project/creduce/compare/61859c0971ae...ed1d5b653014