Update rustfmt

tmandry · tmandry · commit 5e6380adc595 · 2020-07-25T14:26:31.000-07:00
Changes: - preparation for potential rustfmt 1.4.19 (rust-lang#4283) - chore: backport 8157a3f0afe978d3e953420577f8344db7e905bf - deps: bump rustc-ap to v669 - deps: bump rustc-ap-* to v668 - deps: bump rustc-ap* to v666 - Use correct span for match arms with the leading pipe and attributes (rust-lang#3975)
diff --git a/src/tools/rustfmt b/src/tools/rustfmt
@@ -1 +1 @@
-Subproject commit c1e9b7b87493c5197c4330693bdf4ccb30a90971
+Subproject commit cef1c0d5ebde015d72d830e655ca1b4079a08494
