tree 43af3fc68f2a1700548faa17e3c10249bb8eb6ca
parent 8436ccea9c591b8c312555ff468c003c2d73f266
author Yi Kong <yikong@google.com> 1571130079 -0700
committer Yi Kong <yikong@google.com> 1571960094 -0700

Repack libgcc.a to only include required objects

Previous solution by using objcopy uses a quirky behaviour of the GNU
objcopy and there is no equivalent option in llvm-objcopy.

Instead of removing symbols, extract and repack libgcc to only include
required objects.

Bug: 142585047
Test: presubmit
Change-Id: I58af74c18838f797e481da38c3265f0624fddf99