Update crossbeam-epoch to 0.9.7 am: 15f97029e8 am: d3116137e2 am: d276cb42aat_frc_odp_330442040t_frc_odp_330442000t_frc_ase_330444010android-13.0.0_r83android-13.0.0_r82android-13.0.0_r81android-13.0.0_r80android-13.0.0_r79android-13.0.0_r78android-13.0.0_r77android-13.0.0_r76android-13.0.0_r75android-13.0.0_r74android-13.0.0_r73android-13.0.0_r72android-13.0.0_r71android-13.0.0_r70android-13.0.0_r69android-13.0.0_r68android-13.0.0_r67android-13.0.0_r66android-13.0.0_r65android-13.0.0_r64android-13.0.0_r63android-13.0.0_r62android-13.0.0_r61android-13.0.0_r60android-13.0.0_r59android-13.0.0_r58android-13.0.0_r57android-13.0.0_r56android-13.0.0_r55android-13.0.0_r54android-13.0.0_r53android-13.0.0_r52android-13.0.0_r51android-13.0.0_r50android-13.0.0_r49android-13.0.0_r48android-13.0.0_r47android-13.0.0_r46android-13.0.0_r45android-13.0.0_r44android-13.0.0_r43android-13.0.0_r42android-13.0.0_r41android-13.0.0_r40android-13.0.0_r39android-13.0.0_r38android-13.0.0_r37android-13.0.0_r36android-13.0.0_r35android-13.0.0_r34android-13.0.0_r33android-13.0.0_r32android-13.0.0_r30android-13.0.0_r29android-13.0.0_r28android-13.0.0_r27android-13.0.0_r24android-13.0.0_r23android-13.0.0_r22android-13.0.0_r21android-13.0.0_r20android-13.0.0_r19android-13.0.0_r18android-13.0.0_r17android-13.0.0_r16aml_go_odp_330912000aml_go_ads_330915100aml_go_ads_330915000aml_go_ads_330913000android13-qpr3-s9-releaseandroid13-qpr3-s8-releaseandroid13-qpr3-s7-releaseandroid13-qpr3-s6-releaseandroid13-qpr3-s5-releaseandroid13-qpr3-s4-releaseandroid13-qpr3-s3-releaseandroid13-qpr3-s2-releaseandroid13-qpr3-s14-releaseandroid13-qpr3-s13-releaseandroid13-qpr3-s12-releaseandroid13-qpr3-s11-releaseandroid13-qpr3-s10-releaseandroid13-qpr3-s1-releaseandroid13-qpr3-releaseandroid13-qpr3-c-s8-releaseandroid13-qpr3-c-s7-releaseandroid13-qpr3-c-s6-releaseandroid13-qpr3-c-s5-releaseandroid13-qpr3-c-s4-releaseandroid13-qpr3-c-s3-releaseandroid13-qpr3-c-s2-releaseandroid13-qpr3-c-s12-releaseandroid13-qpr3-c-s11-releaseandroid13-qpr3-c-s10-releaseandroid13-qpr3-c-s1-releaseandroid13-qpr2-s9-releaseandroid13-qpr2-s8-releaseandroid13-qpr2-s7-releaseandroid13-qpr2-s6-releaseandroid13-qpr2-s5-releaseandroid13-qpr2-s3-releaseandroid13-qpr2-s2-releaseandroid13-qpr2-s12-releaseandroid13-qpr2-s11-releaseandroid13-qpr2-s10-releaseandroid13-qpr2-s1-releaseandroid13-qpr2-releaseandroid13-qpr2-b-s1-releaseandroid13-qpr1-s8-releaseandroid13-qpr1-s7-releaseandroid13-qpr1-s6-releaseandroid13-qpr1-s5-releaseandroid13-qpr1-s4-releaseandroid13-qpr1-s3-releaseandroid13-qpr1-s2-releaseandroid13-qpr1-s1-releaseandroid13-qpr1-releaseandroid13-mainline-go-adservices-releaseandroid13-frc-odp-releaseandroid13-devandroid13-d4-s2-releaseandroid13-d4-s1-releaseandroid13-d4-releaseandroid13-d3-s1-releaseandroid13-d2-release

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/crossbeam-epoch/+/2004415

Change-Id: Ib23d6f9d61b769e90c3bf1a0d324f4a1ff299780

15 files changed, 398 insertions, 87 deletions

diff --git a/.cargo_vcs_info.json b/.cargo_vcs_info.json
index 1f53d5d..0a948d5 100644
--- a/.cargo_vcs_info.json
+++ b/.cargo_vcs_info.json
@@ -1,5 +1,6 @@
 {
   "git": {
-    "sha1": "6d4cdd4daf9a897deef6cde9569f2fbf12c29bc5"
-  }
-}
+    "sha1": "2988f873f87d2263a7fd2b9465fb9c28f43a6490"
+  },
+  "path_in_vcs": "crossbeam-epoch"
+}
\ No newline at end of file
diff --git a/Android.bp b/Android.bp
index 1ded857..bd3c978 100644
--- a/Android.bp
+++ b/Android.bp
@@ -44,7 +44,7 @@ rust_test {
     host_supported: true,
     crate_name: "crossbeam_epoch",
     cargo_env_compat: true,
-    cargo_pkg_version: "0.9.5",
+    cargo_pkg_version: "0.9.7",
     srcs: ["src/lib.rs"],
     test_suites: ["general-tests"],
     auto_gen_config: true,
@@ -73,7 +73,7 @@ rust_library {
     host_supported: true,
     crate_name: "crossbeam_epoch",
     cargo_env_compat: true,
-    cargo_pkg_version: "0.9.5",
+    cargo_pkg_version: "0.9.7",
     srcs: ["src/lib.rs"],
     edition: "2018",
     features: [
diff --git a/CHANGELOG.md b/CHANGELOG.md
index c78fbf8..8c158f6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,12 +1,20 @@
+# Version 0.9.7
+
+- Fix Miri error when `-Zmiri-check-number-validity` is enabled. (#779)
+
+# Version 0.9.6
+
+- Add `Atomic::fetch_update`. (#706)
+
 # Version 0.9.5
 
-- Fix UB in `Pointable` impl of `[MaybeUninit<T>]` (#694)
-- Support targets that do not have atomic CAS on stable Rust (#698)
-- Fix breakage with nightly feature due to rust-lang/rust#84510 (#692)
+- Fix UB in `Pointable` impl of `[MaybeUninit<T>]`. (#694)
+- Support targets that do not have atomic CAS on stable Rust. (#698)
+- Fix breakage with nightly feature due to rust-lang/rust#84510. (#692)
 
 # Version 0.9.4
 
-- Fix UB in `<[MaybeUninit<T>] as Pointable>::init` when global allocator failed allocation (#690)
+- Fix UB in `<[MaybeUninit<T>] as Pointable>::init` when global allocator failed allocation. (#690)
 - Bump `loom` dependency to version 0.5. (#686)
 
 # Version 0.9.3
diff --git a/Cargo.lock b/Cargo.lock
index 596c26d..ded699e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3,6 +3,15 @@
 version = 3
 
 [[package]]
+name = "ansi_term"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2"
+dependencies = [
+ "winapi",
+]
+
+[[package]]
 name = "autocfg"
 version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -10,9 +19,9 @@ checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
 [[package]]
 name = "cc"
-version = "1.0.68"
+version = "1.0.72"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4a72c244c1ff497a746a7e1fb3d14bd08420ecda70c8f25c7112f2781652d787"
+checksum = "22a9137b95ea06864e018375b72adfb7db6e6f68cfc8df5a04d00288050485ee"
 
 [[package]]
 name = "cfg-if"
@@ -22,13 +31,13 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "const_fn"
-version = "0.4.8"
+version = "0.4.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f92cfa0fd5690b3cf8c1ef2cabbd9b7ef22fa53cf5e1f92b05103f6d5d1cf6e7"
+checksum = "fbdcdcb6d86f71c5e97409ad45898af11cbc995b4ee8112d59095a28d376c935"
 
 [[package]]
 name = "crossbeam-epoch"
-version = "0.9.5"
+version = "0.9.7"
 dependencies = [
  "cfg-if",
  "const_fn",
@@ -42,9 +51,9 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.8.5"
+version = "0.8.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d82cfc11ce7f2c3faef78d8a684447b40d503d9681acebed6cb728d45940c4db"
+checksum = "b5e5bed1f1c269533fa816a0a5492b3545209a205ca1a54842be180eb63a16a6"
 dependencies = [
  "cfg-if",
  "lazy_static",
@@ -66,9 +75,9 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.2.3"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fcd999463524c52659517fe2cea98493cfe485d10565e7b0fb07dbba7ad2753"
+checksum = "418d37c8b1d42553c93648be529cb70f920d3baf8ef469b74b9638df426e0b4c"
 dependencies = [
  "cfg-if",
  "libc",
@@ -83,9 +92,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.95"
+version = "0.2.117"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "789da6d93f1b866ffe175afc5322a4d76c038605a1c3319bb57b06967ca98a36"
+checksum = "e74d72e0f9b65b5b4ca49a346af3976df0f9c61d550727f349ecd559f251a26c"
 
 [[package]]
 name = "log"
@@ -98,35 +107,76 @@ dependencies = [
 
 [[package]]
 name = "loom"
-version = "0.5.0"
+version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7aa5348dc45fa5f2419b6dd4ea20345e6b01b1fcc9d176a322eada1ac3f382ba"
+checksum = "edc5c7d328e32cc4954e8e01193d7f0ef5ab257b5090b70a964e099a36034309"
 dependencies = [
  "cfg-if",
  "generator",
  "scoped-tls",
+ "tracing",
+ "tracing-subscriber",
+]
+
+[[package]]
+name = "matchers"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8263075bb86c5a1b1427b5ae862e8889656f126e9f77c484496e8b47cf5c5558"
+dependencies = [
+ "regex-automata",
 ]
 
 [[package]]
 name = "memoffset"
-version = "0.6.4"
+version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59accc507f1338036a0477ef61afdae33cde60840f4dfe481319ce3ad116ddf9"
+checksum = "5aa361d4faea93603064a027415f07bd8e1d5c88c9fbf68bf56a285428fd79ce"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
+name = "once_cell"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da32515d9f6e6e489d7bc9d84c71b060db7247dc035bbe44eac88cf87486d8d5"
+
+[[package]]
+name = "pin-project-lite"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e280fbe77cc62c91527259e9442153f4688736748d24660126286329742b4c6c"
+
+[[package]]
 name = "ppv-lite86"
-version = "0.2.10"
+version = "0.2.16"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eb9f9e6e233e5c4a35559a617bf40a4ec447db2e84c20b55a6f83167b7e57872"
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.36"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c7342d5883fbccae1cc37a2353b09c87c9b0f3afd73f5fb9bba687a1f733b029"
+dependencies = [
+ "unicode-xid",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
+checksum = "864d3e96a899863136fc6e99f3d7cae289dafe43bf2c5ac19b70df7210c0a145"
+dependencies = [
+ "proc-macro2",
+]
 
 [[package]]
 name = "rand"
-version = "0.8.3"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
+checksum = "2e7573632e6454cf6b99d7aac4ccca54be06da05aca2ef7423d22d27d4d4bcd8"
 dependencies = [
  "libc",
  "rand_chacha",
@@ -136,9 +186,9 @@ dependencies = [
 
 [[package]]
 name = "rand_chacha"
-version = "0.3.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e12735cf05c9e10bf21534da50a147b924d555dc7a547c42e6bb2d5b6017ae0d"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
  "ppv-lite86",
  "rand_core",
@@ -146,27 +196,51 @@ dependencies = [
 
 [[package]]
 name = "rand_core"
-version = "0.6.2"
+version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34cf66eb183df1c5876e2dcf6b13d57340741e8dc255b48e40a26de954d06ae7"
+checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
 dependencies = [
  "getrandom",
 ]
 
 [[package]]
 name = "rand_hc"
-version = "0.3.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
+checksum = "d51e9f596de227fda2ea6c84607f5558e196eeaf43c986b724ba4fb8fdf497e7"
 dependencies = [
  "rand_core",
 ]
 
 [[package]]
+name = "regex"
+version = "1.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d07a8629359eb56f1e2fb1652bb04212c072a87ba68546a04065d525673ac461"
+dependencies = [
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-automata"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c230d73fb8d8c1b9c0b3135c5142a8acee3a0558fb8db5cf1cb65f8d7862132"
+dependencies = [
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.6.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
+
+[[package]]
 name = "rustversion"
-version = "1.0.5"
+version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61b3909d758bb75c79f23d4736fac9433868679d3ad2ea7a61e3c25cfda9a088"
+checksum = "f2cc38e8fa666e2de3c4aba7edeb5ffc5246c1c2ed0e3d17e560aeeba736b23f"
 
 [[package]]
 name = "scoped-tls"
@@ -181,6 +255,115 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
 [[package]]
+name = "sharded-slab"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "900fba806f70c630b0a382d0d825e17a0f19fcd059a2ade1ff237bcddf446b31"
+dependencies = [
+ "lazy_static",
+]
+
+[[package]]
+name = "smallvec"
+version = "1.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f2dd574626839106c320a323308629dcb1acfc96e32a8cba364ddc61ac23ee83"
+
+[[package]]
+name = "syn"
+version = "1.0.86"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a65b3f4ffa0092e9887669db0eae07941f023991ab58ea44da8fe8e2d511c6b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-xid",
+]
+
+[[package]]
+name = "thread_local"
+version = "1.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5516c27b78311c50bf42c071425c560ac799b11c30b31f87e3081965fe5e0180"
+dependencies = [
+ "once_cell",
+]
+
+[[package]]
+name = "tracing"
+version = "0.1.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2d8d93354fe2a8e50d5953f5ae2e47a3fc2ef03292e7ea46e3cc38f549525fb9"
+dependencies = [
+ "cfg-if",
+ "pin-project-lite",
+ "tracing-attributes",
+ "tracing-core",
+]
+
+[[package]]
+name = "tracing-attributes"
+version = "0.1.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8276d9a4a3a558d7b7ad5303ad50b53d58264641b82914b7ada36bd762e7a716"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "tracing-core"
+version = "0.1.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "03cfcb51380632a72d3111cb8d3447a8d908e577d31beeac006f836383d29a23"
+dependencies = [
+ "lazy_static",
+ "valuable",
+]
+
+[[package]]
+name = "tracing-log"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a6923477a48e41c1951f1999ef8bb5a3023eb723ceadafe78ffb65dc366761e3"
+dependencies = [
+ "lazy_static",
+ "log",
+ "tracing-core",
+]
+
+[[package]]
+name = "tracing-subscriber"
+version = "0.3.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "74786ce43333fcf51efe947aed9718fbe46d5c7328ec3f1029e818083966d9aa"
+dependencies = [
+ "ansi_term",
+ "lazy_static",
+ "matchers",
+ "regex",
+ "sharded-slab",
+ "smallvec",
+ "thread_local",
+ "tracing",
+ "tracing-core",
+ "tracing-log",
+]
+
+[[package]]
+name = "unicode-xid"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ccb82d61f80a663efe1f787a51b16b5a51e3314d6ac365b08639f52387b33f3"
+
+[[package]]
+name = "valuable"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
+
+[[package]]
 name = "wasi"
 version = "0.10.2+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/Cargo.toml b/Cargo.toml
index 97f3df3..abacbe2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,25 +3,33 @@
 # When uploading crates to the registry Cargo will automatically
 # "normalize" Cargo.toml files for maximal compatibility
 # with all versions of Cargo and also rewrite `path` dependencies
-# to registry (e.g., crates.io) dependencies
+# to registry (e.g., crates.io) dependencies.
 #
-# If you believe there's an error in this file please file an
-# issue against the rust-lang/cargo repository. If you're
-# editing this file be aware that the upstream Cargo.toml
-# will likely look very different (and much more reasonable)
+# If you are reading this file be aware that the original Cargo.toml
+# will likely look very different (and much more reasonable).
+# See Cargo.toml.orig for the original contents.
 
 [package]
 edition = "2018"
+rust-version = "1.36"
 name = "crossbeam-epoch"
-version = "0.9.5"
-authors = ["The Crossbeam Project Developers"]
+version = "0.9.7"
 description = "Epoch-based garbage collection"
 homepage = "https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-epoch"
-documentation = "https://docs.rs/crossbeam-epoch"
-keywords = ["lock-free", "rcu", "atomic", "garbage"]
-categories = ["concurrency", "memory-management", "no-std"]
+keywords = [
+    "lock-free",
+    "rcu",
+    "atomic",
+    "garbage",
+]
+categories = [
+    "concurrency",
+    "memory-management",
+    "no-std",
+]
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/crossbeam-rs/crossbeam"
+
 [dependencies.cfg-if]
 version = "1"
 
@@ -43,15 +51,27 @@ version = "0.6"
 [dependencies.scopeguard]
 version = "1.1.0"
 default-features = false
+
 [dev-dependencies.rand]
 version = "0.8"
 
 [features]
 alloc = []
 default = ["std"]
-loom = ["loom-crate", "crossbeam-utils/loom"]
-nightly = ["crossbeam-utils/nightly", "const_fn"]
-std = ["alloc", "crossbeam-utils/std", "lazy_static"]
+loom = [
+    "loom-crate",
+    "crossbeam-utils/loom",
+]
+nightly = [
+    "crossbeam-utils/nightly",
+    "const_fn",
+]
+std = [
+    "alloc",
+    "crossbeam-utils/std",
+    "lazy_static",
+]
+
 [target."cfg(crossbeam_loom)".dependencies.loom-crate]
 version = "0.5"
 optional = true
diff --git a/Cargo.toml.orig b/Cargo.toml.orig
index 939e346..bdb095a 100644
--- a/Cargo.toml.orig
+++ b/Cargo.toml.orig
@@ -4,13 +4,12 @@ name = "crossbeam-epoch"
 # - Update CHANGELOG.md
 # - Update README.md
 # - Create "crossbeam-epoch-X.Y.Z" git tag
-version = "0.9.5"
-authors = ["The Crossbeam Project Developers"]
+version = "0.9.7"
 edition = "2018"
+rust-version = "1.36"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/crossbeam-rs/crossbeam"
 homepage = "https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-epoch"
-documentation = "https://docs.rs/crossbeam-epoch"
 description = "Epoch-based garbage collection"
 keywords = ["lock-free", "rcu", "atomic", "garbage"]
 categories = ["concurrency", "memory-management", "no-std"]
diff --git a/METADATA b/METADATA
index 626ee8f..1377873 100644
--- a/METADATA
+++ b/METADATA
@@ -7,13 +7,13 @@ third_party {
   }
   url {
     type: ARCHIVE
-    value: "https://static.crates.io/crates/crossbeam-epoch/crossbeam-epoch-0.9.5.crate"
+    value: "https://static.crates.io/crates/crossbeam-epoch/crossbeam-epoch-0.9.7.crate"
   }
-  version: "0.9.5"
+  version: "0.9.7"
   license_type: NOTICE
   last_upgrade_date {
-    year: 2021
-    month: 6
-    day: 21
+    year: 2022
+    month: 3
+    day: 1
   }
 }
diff --git a/benches/pin.rs b/benches/pin.rs
index 0dff4c5..8bf87e9 100644
--- a/benches/pin.rs
+++ b/benches/pin.rs
@@ -8,7 +8,7 @@ use test::Bencher;
 
 #[bench]
 fn single_pin(b: &mut Bencher) {
-    b.iter(|| epoch::pin());
+    b.iter(epoch::pin);
 }
 
 #[bench]
diff --git a/build.rs b/build.rs
index 4ef1279..587e058 100644
--- a/build.rs
+++ b/build.rs
@@ -1,12 +1,21 @@
+// The rustc-cfg listed below are considered public API, but it is *unstable*
+// and outside of the normal semver guarantees:
+//
+// - `crossbeam_no_atomic_cas`
+//      Assume the target does *not* support atomic CAS operations.
+//      This is usually detected automatically by the build script, but you may
+//      need to enable it manually when building for custom targets or using
+//      non-cargo build systems that don't run the build script.
+//
+// With the exceptions mentioned above, the rustc-cfg emitted by the build
+// script are *not* public API.
+
 #![warn(rust_2018_idioms)]
 
 use std::env;
 
 include!("no_atomic.rs");
 
-// The rustc-cfg strings below are *not* public API. Please let us know by
-// opening a GitHub issue if your build environment requires some way to enable
-// these cfgs other than by executing our build script.
 fn main() {
     let target = match env::var("TARGET") {
         Ok(target) => target,
diff --git a/no_atomic.rs b/no_atomic.rs
index 522b3b8..90ac60a 100644
--- a/no_atomic.rs
+++ b/no_atomic.rs
@@ -3,13 +3,16 @@
 
 const NO_ATOMIC_CAS: &[&str] = &[
     "avr-unknown-gnu-atmega328",
+    "bpfeb-unknown-none",
+    "bpfel-unknown-none",
     "msp430-none-elf",
     "riscv32i-unknown-none-elf",
     "riscv32imc-unknown-none-elf",
     "thumbv4t-none-eabi",
     "thumbv6m-none-eabi",
 ];
-#[allow(dead_code)]
+
+#[allow(dead_code)] // Only crossbeam-utils uses this.
 const NO_ATOMIC_64: &[&str] = &[
     "arm-linux-androideabi",
     "armebv7r-none-eabi",
@@ -18,18 +21,24 @@ const NO_ATOMIC_64: &[&str] = &[
     "armv5te-unknown-linux-gnueabi",
     "armv5te-unknown-linux-musleabi",
     "armv5te-unknown-linux-uclibceabi",
+    "armv6k-nintendo-3ds",
     "armv7r-none-eabi",
     "armv7r-none-eabihf",
+    "avr-unknown-gnu-atmega328",
     "hexagon-unknown-linux-musl",
+    "m68k-unknown-linux-gnu",
     "mips-unknown-linux-gnu",
     "mips-unknown-linux-musl",
     "mips-unknown-linux-uclibc",
+    "mipsel-sony-psp",
     "mipsel-unknown-linux-gnu",
     "mipsel-unknown-linux-musl",
     "mipsel-unknown-linux-uclibc",
     "mipsel-unknown-none",
     "mipsisa32r6-unknown-linux-gnu",
     "mipsisa32r6el-unknown-linux-gnu",
+    "msp430-none-elf",
+    "powerpc-unknown-freebsd",
     "powerpc-unknown-linux-gnu",
     "powerpc-unknown-linux-gnuspe",
     "powerpc-unknown-linux-musl",
@@ -39,18 +48,21 @@ const NO_ATOMIC_64: &[&str] = &[
     "powerpc-wrs-vxworks-spe",
     "riscv32gc-unknown-linux-gnu",
     "riscv32gc-unknown-linux-musl",
+    "riscv32i-unknown-none-elf",
     "riscv32imac-unknown-none-elf",
+    "riscv32imc-esp-espidf",
+    "riscv32imc-unknown-none-elf",
+    "thumbv4t-none-eabi",
+    "thumbv6m-none-eabi",
     "thumbv7em-none-eabi",
     "thumbv7em-none-eabihf",
     "thumbv7m-none-eabi",
     "thumbv8m.base-none-eabi",
     "thumbv8m.main-none-eabi",
     "thumbv8m.main-none-eabihf",
-    "mipsel-sony-psp",
-    "thumbv4t-none-eabi",
-    "thumbv6m-none-eabi",
 ];
-#[allow(dead_code)]
+
+#[allow(dead_code)] // Only crossbeam-utils uses this.
 const NO_ATOMIC: &[&str] = &[
     "avr-unknown-gnu-atmega328",
     "msp430-none-elf",
diff --git a/src/atomic.rs b/src/atomic.rs
index adb0afa..f727387 100644
--- a/src/atomic.rs
+++ b/src/atomic.rs
@@ -562,6 +562,65 @@ impl<T: ?Sized + Pointable> Atomic<T> {
             })
     }
 
+    /// Fetches the pointer, and then applies a function to it that returns a new value.
+    /// Returns a `Result` of `Ok(previous_value)` if the function returned `Some`, else `Err(_)`.
+    ///
+    /// Note that the given function may be called multiple times if the value has been changed by
+    /// other threads in the meantime, as long as the function returns `Some(_)`, but the function
+    /// will have been applied only once to the stored value.
+    ///
+    /// `fetch_update` takes two [`Ordering`] arguments to describe the memory
+    /// ordering of this operation. The first describes the required ordering for
+    /// when the operation finally succeeds while the second describes the
+    /// required ordering for loads. These correspond to the success and failure
+    /// orderings of [`Atomic::compare_exchange`] respectively.
+    ///
+    /// Using [`Acquire`] as success ordering makes the store part of this
+    /// operation [`Relaxed`], and using [`Release`] makes the final successful
+    /// load [`Relaxed`]. The (failed) load ordering can only be [`SeqCst`],
+    /// [`Acquire`] or [`Relaxed`] and must be equivalent to or weaker than the
+    /// success ordering.
+    ///
+    /// [`Relaxed`]: Ordering::Relaxed
+    /// [`Acquire`]: Ordering::Acquire
+    /// [`Release`]: Ordering::Release
+    /// [`SeqCst`]: Ordering::SeqCst
+    ///
+    /// # Examples
+    ///
+    /// ```
+    /// use crossbeam_epoch::{self as epoch, Atomic};
+    /// use std::sync::atomic::Ordering::SeqCst;
+    ///
+    /// let a = Atomic::new(1234);
+    /// let guard = &epoch::pin();
+    ///
+    /// let res1 = a.fetch_update(SeqCst, SeqCst, guard, |x| Some(x.with_tag(1)));
+    /// assert!(res1.is_ok());
+    ///
+    /// let res2 = a.fetch_update(SeqCst, SeqCst, guard, |x| None);
+    /// assert!(res2.is_err());
+    /// ```
+    pub fn fetch_update<'g, F>(
+        &self,
+        set_order: Ordering,
+        fail_order: Ordering,
+        guard: &'g Guard,
+        mut func: F,
+    ) -> Result<Shared<'g, T>, Shared<'g, T>>
+    where
+        F: FnMut(Shared<'g, T>) -> Option<Shared<'g, T>>,
+    {
+        let mut prev = self.load(fail_order, guard);
+        while let Some(next) = func(prev) {
+            match self.compare_exchange_weak(prev, next, set_order, fail_order, guard) {
+                Ok(shared) => return Ok(shared),
+                Err(next_prev) => prev = next_prev.current,
+            }
+        }
+        Err(prev)
+    }
+
     /// Stores the pointer `new` (either `Shared` or `Owned`) into the atomic pointer if the current
     /// value is the same as `current`. The tag is also taken into account, so two pointers to the
     /// same object, but with different tags, will not be considered equal.
@@ -1225,7 +1284,6 @@ impl<'g, T> Shared<'g, T> {
     /// let p = a.load(SeqCst, guard);
     /// assert_eq!(p.as_raw(), raw);
     /// ```
-    #[allow(clippy::trivially_copy_pass_by_ref)]
     pub fn as_raw(&self) -> *const T {
         let (raw, _) = decompose_tag::<T>(self.data);
         raw as *const _
@@ -1264,7 +1322,6 @@ impl<'g, T: ?Sized + Pointable> Shared<'g, T> {
     /// a.store(Owned::new(1234), SeqCst);
     /// assert!(!a.load(SeqCst, guard).is_null());
     /// ```
-    #[allow(clippy::trivially_copy_pass_by_ref)]
     pub fn is_null(&self) -> bool {
         let (raw, _) = decompose_tag::<T>(self.data);
         raw == 0
@@ -1301,8 +1358,6 @@ impl<'g, T: ?Sized + Pointable> Shared<'g, T> {
     ///     assert_eq!(p.deref(), &1234);
     /// }
     /// ```
-    #[allow(clippy::trivially_copy_pass_by_ref)]
-    #[allow(clippy::should_implement_trait)]
     pub unsafe fn deref(&self) -> &'g T {
         let (raw, _) = decompose_tag::<T>(self.data);
         T::deref(raw)
@@ -1344,7 +1399,6 @@ impl<'g, T: ?Sized + Pointable> Shared<'g, T> {
     ///     assert_eq!(p.deref(), &vec![1, 2, 3, 4, 5]);
     /// }
     /// ```
-    #[allow(clippy::should_implement_trait)]
     pub unsafe fn deref_mut(&mut self) -> &'g mut T {
         let (raw, _) = decompose_tag::<T>(self.data);
         T::deref_mut(raw)
@@ -1381,7 +1435,6 @@ impl<'g, T: ?Sized + Pointable> Shared<'g, T> {
     ///     assert_eq!(p.as_ref(), Some(&1234));
     /// }
     /// ```
-    #[allow(clippy::trivially_copy_pass_by_ref)]
     pub unsafe fn as_ref(&self) -> Option<&'g T> {
         let (raw, _) = decompose_tag::<T>(self.data);
         if raw == 0 {
@@ -1433,7 +1486,6 @@ impl<'g, T: ?Sized + Pointable> Shared<'g, T> {
     /// let p = a.load(SeqCst, guard);
     /// assert_eq!(p.tag(), 2);
     /// ```
-    #[allow(clippy::trivially_copy_pass_by_ref)]
     pub fn tag(&self) -> usize {
         let (_, tag) = decompose_tag::<T>(self.data);
         tag
@@ -1457,7 +1509,6 @@ impl<'g, T: ?Sized + Pointable> Shared<'g, T> {
     /// assert_eq!(p2.tag(), 2);
     /// assert_eq!(p1.as_raw(), p2.as_raw());
     /// ```
-    #[allow(clippy::trivially_copy_pass_by_ref)]
     pub fn with_tag(&self, tag: usize) -> Shared<'g, T> {
         unsafe { Self::from_usize(compose_tag::<T>(self.data, tag)) }
     }
diff --git a/src/collector.rs b/src/collector.rs
index 7cfb819..099a2ff 100644
--- a/src/collector.rs
+++ b/src/collector.rs
@@ -178,13 +178,18 @@ mod tests {
 
     #[test]
     fn pin_holds_advance() {
+        #[cfg(miri)]
+        const N: usize = 500;
+        #[cfg(not(miri))]
+        const N: usize = 500_000;
+
         let collector = Collector::new();
 
         thread::scope(|scope| {
             for _ in 0..NUM_THREADS {
                 scope.spawn(|_| {
                     let handle = collector.register();
-                    for _ in 0..500_000 {
+                    for _ in 0..N {
                         let guard = &handle.pin();
 
                         let before = collector.global.epoch.load(Ordering::Relaxed);
@@ -202,6 +207,9 @@ mod tests {
     #[cfg(not(crossbeam_sanitize))] // TODO: assertions failed due to `cfg(crossbeam_sanitize)` reduce `internal::MAX_OBJECTS`
     #[test]
     fn incremental() {
+        #[cfg(miri)]
+        const COUNT: usize = 500;
+        #[cfg(not(miri))]
         const COUNT: usize = 100_000;
         static DESTROYS: AtomicUsize = AtomicUsize::new(0);
 
@@ -230,12 +238,16 @@ mod tests {
             let guard = &handle.pin();
             collector.global.collect(guard);
         }
-        assert!(DESTROYS.load(Ordering::Relaxed) == 100_000);
+        assert!(DESTROYS.load(Ordering::Relaxed) == COUNT);
     }
 
     #[test]
     fn buffering() {
         const COUNT: usize = 10;
+        #[cfg(miri)]
+        const N: usize = 500;
+        #[cfg(not(miri))]
+        const N: usize = 100_000;
         static DESTROYS: AtomicUsize = AtomicUsize::new(0);
 
         let collector = Collector::new();
@@ -252,7 +264,7 @@ mod tests {
             }
         }
 
-        for _ in 0..100_000 {
+        for _ in 0..N {
             collector.global.collect(&handle.pin());
         }
         assert!(DESTROYS.load(Ordering::Relaxed) < COUNT);
@@ -268,6 +280,9 @@ mod tests {
 
     #[test]
     fn count_drops() {
+        #[cfg(miri)]
+        const COUNT: usize = 500;
+        #[cfg(not(miri))]
         const COUNT: usize = 100_000;
         static DROPS: AtomicUsize = AtomicUsize::new(0);
 
@@ -301,6 +316,9 @@ mod tests {
 
     #[test]
     fn count_destroy() {
+        #[cfg(miri)]
+        const COUNT: usize = 500;
+        #[cfg(not(miri))]
         const COUNT: usize = 100_000;
         static DESTROYS: AtomicUsize = AtomicUsize::new(0);
 
@@ -367,6 +385,9 @@ mod tests {
 
     #[test]
     fn destroy_array() {
+        #[cfg(miri)]
+        const COUNT: usize = 500;
+        #[cfg(not(miri))]
         const COUNT: usize = 100_000;
         static DESTROYS: AtomicUsize = AtomicUsize::new(0);
 
@@ -402,6 +423,9 @@ mod tests {
     #[test]
     fn stress() {
         const THREADS: usize = 8;
+        #[cfg(miri)]
+        const COUNT: usize = 500;
+        #[cfg(not(miri))]
         const COUNT: usize = 100_000;
         static DROPS: AtomicUsize = AtomicUsize::new(0);
 
diff --git a/src/deferred.rs b/src/deferred.rs
index d953c46..c33d515 100644
--- a/src/deferred.rs
+++ b/src/deferred.rs
@@ -18,7 +18,7 @@ type Data = [usize; DATA_WORDS];
 /// This is a handy way of keeping an unsized `FnOnce()` within a sized structure.
 pub(crate) struct Deferred {
     call: unsafe fn(*mut u8),
-    data: Data,
+    data: MaybeUninit<Data>,
     _marker: PhantomData<*mut ()>, // !Send + !Sync
 }
 
@@ -46,7 +46,7 @@ impl Deferred {
 
                 Deferred {
                     call: call::<F>,
-                    data: data.assume_init(),
+                    data,
                     _marker: PhantomData,
                 }
             } else {
@@ -57,14 +57,13 @@ impl Deferred {
                 unsafe fn call<F: FnOnce()>(raw: *mut u8) {
                     // It's safe to cast `raw` from `*mut u8` to `*mut Box<F>`, because `raw` is
                     // originally derived from `*mut Box<F>`.
-                    #[allow(clippy::cast_ptr_alignment)]
                     let b: Box<F> = ptr::read(raw as *mut Box<F>);
                     (*b)();
                 }
 
                 Deferred {
                     call: call::<F>,
-                    data: data.assume_init(),
+                    data,
                     _marker: PhantomData,
                 }
             }
@@ -75,12 +74,14 @@ impl Deferred {
     #[inline]
     pub(crate) fn call(mut self) {
         let call = self.call;
-        unsafe { call(&mut self.data as *mut Data as *mut u8) };
+        unsafe { call(self.data.as_mut_ptr() as *mut u8) };
     }
 }
 
 #[cfg(all(test, not(crossbeam_loom)))]
 mod tests {
+    #![allow(clippy::drop_copy)]
+
     use super::Deferred;
     use std::cell::Cell;
 
diff --git a/src/internal.rs b/src/internal.rs
index 966bceb..de208b1 100644
--- a/src/internal.rs
+++ b/src/internal.rs
@@ -101,7 +101,7 @@ impl Bag {
 
     /// Seals the bag with the given epoch.
     fn seal(self, epoch: Epoch) -> SealedBag {
-        SealedBag { epoch, bag: self }
+        SealedBag { epoch, _bag: self }
     }
 }
 
@@ -216,7 +216,7 @@ fn no_op_func() {}
 #[derive(Default, Debug)]
 struct SealedBag {
     epoch: Epoch,
-    bag: Bag,
+    _bag: Bag,
 }
 
 /// It is safe to share `SealedBag` because `is_expired` only inspects the epoch.
@@ -311,7 +311,7 @@ impl Global {
         // TODO(stjepang): `Local`s are stored in a linked list because linked lists are fairly
         // easy to implement in a lock-free manner. However, traversal can be slow due to cache
         // misses and data dependencies. We should experiment with other data structures as well.
-        for local in self.locals.iter(&guard) {
+        for local in self.locals.iter(guard) {
             match local {
                 Err(IterError::Stalled) => {
                     // A concurrent thread stalled this iteration. That thread might also try to
diff --git a/src/sync/queue.rs b/src/sync/queue.rs
index 67c228d..9500438 100644
--- a/src/sync/queue.rs
+++ b/src/sync/queue.rs
@@ -259,6 +259,9 @@ mod test {
         }
     }
 
+    #[cfg(miri)]
+    const CONC_COUNT: i64 = 1000;
+    #[cfg(not(miri))]
     const CONC_COUNT: i64 = 1000000;
 
     #[test]
@@ -422,8 +425,8 @@ mod test {
 
                     let mut vl2 = vl.clone();
                     let mut vr2 = vr.clone();
-                    vl2.sort();
-                    vr2.sort();
+                    vl2.sort_unstable();
+                    vr2.sort_unstable();
 
                     assert_eq!(vl, vl2);
                     assert_eq!(vr, vr2);