doc/langref.html.in                |  7 ++++-
 src/analyze.cpp                    | 37 ++++++++++++++++++++----
 src/analyze.hpp                    |  1 +
 src/ir.cpp                         | 28 ++++++++++++------
 std/io.zig                         | 13 ++++-----
 std/mem.zig                        | 49 +++++++++++++-------------------
 test/stage1/behavior.zig           |  1 +
 test/stage1/behavior/bugs/1851.zig | 27 ++++++++++++++++++
 8 files changed, 112 insertions(+), 51 deletions(-)