Update Rust toolchain build to use clang-r399163b.

stephenhines · stephenhines · commit 88fe984918c4 · 2020-11-03T01:16:09.000-08:00
Test: ./build.py
Change-Id: I5704256b48beee89fc55c21b49b7ac2702bb274f
diff --git a/paths.py b/paths.py
@@ -19,7 +19,7 @@
 THIS_DIR = os.path.realpath(os.path.dirname(__file__))
 
 STAGE0_RUST_VERSION = '1.46.0'
-CLANG_REVISION = 'r383902b'
+CLANG_REVISION = 'r399163b'
 
 
 def workspace_path(*args):
