MFC r317075: Update ELF Tool Chain to upstream r3520

Highlights of changes between r3490 and r3520:

- Improve C++ demangling
- Improve compatibility with Binutils tools wrt. error messages
- Handle additional types/sections/etc. in readelf and elfdump
- addr2line, cxxfilt: use setvbuf to set line buffering for filter use

Also MFC r317076, version bump.

Sponsored by:	The FreeBSD Foundation

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/libelftc/elftc_version.c b/lib/libelftc/elftc_version.c
index 3115e28..22a29ed 100644
--- a/lib/libelftc/elftc_version.c
+++ b/lib/libelftc/elftc_version.c
@@ -6,5 +6,5 @@
 const char *
 elftc_version(void)
 {
-	return "elftoolchain r3490M";
+	return "elftoolchain r3520M";
 }