[PATCH v2 0/2] nd/slim-index-pack-memory-usage updates

["Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>]

This fixes the "signed char" bug in 1/2: "char" alone could be either
signed or unsigned but we do need signed char.

One point to clang for detecting "obj->real_type != OBJ_BAD" on ARM
where real_type becomes unsigned char and OBJ_BAD is -1. gcc just
keeps quiet..

Nguyễn Thái Ngọc Duy (2):
  index-pack: reduce object_entry size to save memory
  index-pack: kill union delta_base to save memory

 builtin/index-pack.c | 290 +++++++++++++++++++++++++++++++--------------------
 1 file changed, 179 insertions(+), 111 deletions(-)

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2.3.0.rc1.137.g477eb31