runtime/race: update dead link

LLVM changed their main branch name, so this link didn't work anymore.

Change-Id: I4c3a67b26e2bda012071281e29ea3c932c185130
Reviewed-on: https://go-review.googlesource.com/c/go/+/300469
Trust: Michael Pratt <mpratt@google.com>
Run-TryBot: Michael Pratt <mpratt@google.com>
Reviewed-by: Dmitry Vyukov <dvyukov@google.com>
TryBot-Result: Go Bot <gobot@golang.org>

diff --git a/src/runtime/race/README b/src/runtime/race/README
index dbff42dc8a0464c11c667a67a7d3b2bd17734927..3b188a03619fc72a9e8c450fab63351c130c89d9 100644 (file)
--- a/src/runtime/race/README
+++ b/src/runtime/race/README
@@ -1,6 +1,6 @@
 runtime/race package contains the data race detector runtime library.
 It is based on ThreadSanitizer race detector, that is currently a part of
-the LLVM project (https://github.com/llvm/llvm-project/tree/master/compiler-rt).
+the LLVM project (https://github.com/llvm/llvm-project/tree/main/compiler-rt).
 
 To update the .syso files use golang.org/x/build/cmd/racebuild.