libbacktrace: update to current version from GCC trunk

This adds DWARF 5 support as well as an enhanced testsuite.

Patch assembled by Than McIntosh.
This commit is contained in:
Ian Lance Taylor
2019-12-23 18:55:51 -08:00
parent 5a99ff7fed
commit 559ab7cab4
62 changed files with 17898 additions and 3864 deletions

7444
libtool.m4 vendored Normal file

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