Integrate LLVM at llvm/llvm-project@473b364a19

Updates LLVM usage to match [473b364a19ff](https://github.com/llvm/llvm-project/commit/473b364a19ff) PiperOrigin-RevId: 336647877
2020-10-12 05:58:03 -07:00 · 2020-10-12 05:58:03 -07:00 · 5039c00c4c
parent 2a1626bdfb
commit 5039c00c4c
1 changed files with 1 additions and 1 deletions
--- a/build_tools/llvm_version.txt
+++ b/build_tools/llvm_version.txt
@ -1,2 +1,2 @@
-a2291a58bf1c860d026581fee6fe96019dc25440
+473b364a19ff4ec39abe2ce3da6614d717207966