src/arch/wasm/CodeGen.zig                         | 168 ++++++++++++++++++++++++++------
 src/arch/wasm/Emit.zig                            |  30 ++++++
 src/arch/wasm/Mir.zig                             |  60 ++++++++++++
 test/behavior.zig                                 |  42 ++++----
 test/behavior/align.zig                           |   3 -
 test/behavior/bugs/10970.zig                      |   4 +
 test/behavior/bugs/1421.zig                       |   5 +
 test/behavior/bugs/1442.zig                       |   4 +
 test/behavior/bugs/1607.zig                       |   5 +
 test/behavior/bugs/3742.zig                       |   5 +
 test/behavior/bugs/5398.zig                       |   5 +
 test/behavior/bugs/5474.zig                       |   8 ++
 test/behavior/bugs/5487.zig                       |   5 +
 test/behavior/bugs/726.zig                        |  11 +++
 test/behavior/bugs/828.zig                        |   5 +
 test/behavior/enum.zig                            |   1 -
 test/behavior/error.zig                           |   3 -
 test/behavior/field_parent_ptr.zig                |   9 ++
 test/behavior/math.zig                            |   1 -
 test/behavior/merge_error_sets.zig                |   5 +
 test/behavior/null.zig                            |   1 -
 test/behavior/ptrcast.zig                         |   1 -
 test/behavior/sizeof_and_typeof.zig               |  14 +++
 test/behavior/struct_contains_null_ptr_itself.zig |   5 +
 test/behavior/switch.zig                          |   1 -
 test/behavior/switch_prong_err_enum.zig           |   5 +
 test/behavior/switch_prong_implicit_cast.zig      |   5 +
 test/behavior/union.zig                           |   1 -
 test/behavior/var_args.zig                        |   3 -
 29 files changed, 347 insertions(+), 68 deletions(-)