Rollup merge of rust-lang#80526 - tmandry:up-llvm, r=nikic

Dylan-DPC · web-flow · commit 408573d0312e · 2020-12-31T22:20:55.000+01:00
Update LLVM

- [GlobalISel][IRTranslator] Fix a crash when the use of an extractvalue is a non-dominated metadata use.
- [asan] Use dynamic shadow memory position on Apple Silicon macOS

r? ``@cuviper``
diff --git a/src/llvm-project b/src/llvm-project
@@ -1 +1 @@
-Subproject commit 8d78ad13896b955f630714f386a95ed91b237e3d
+Subproject commit fb115ee43b77601b237717c21ab0a8f5b5b9d50a
