tree a1fdaecf818f1212f10814c89fb01dc731568881
parent e44f7760fa6f9f2d70831a6e9bf9f8472d285f4d
author Vy Nguyen <vyng@google.com> 1745860567 -0400
committer GitHub <noreply@github.com> 1745860567 -0400
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[lld-macho]Fix bug in finding "chained" re-exported libs. (#135241)

Details:
When we have the following scenario:

- lib_a re-exports lib_b
- lib_b re-exports @rpath/lib_c
  + lib_b contains LC_RPATH

Previously, lld-macho cannot find lib_c because it was attempting to
resolve the '@rpath' from lib_b (which had no LC_RPATH defined). The
change here is to also consider all the LC_RPATH rom lib_b when trying
to find lib_c.

Inspired by real-life example when linking with
libXCTestSwiftSupport.dylib (which re-exports XCTest, which re-exports
XCTestCore)