use clang 12

.bazelrc

@@ -167,17 +167,17 @@ build:fuzz-coverage --run_under=@envoy//bazel/coverage:fuzz_coverage_wrapper.sh
 build:rbe-toolchain --action_env=BAZEL_DO_NOT_DETECT_CPP_TOOLCHAIN=1
 
 build:rbe-toolchain-clang --config=rbe-toolchain
-build:rbe-toolchain-clang --platforms=@rbe_ubuntu_clang//config:platform
-build:rbe-toolchain-clang --host_platform=@rbe_ubuntu_clang//config:platform
-build:rbe-toolchain-clang --crosstool_top=@rbe_ubuntu_clang//cc:toolchain
-build:rbe-toolchain-clang --extra_toolchains=@rbe_ubuntu_clang//config:cc-toolchain
+build:rbe-toolchain-clang --platforms=@envoy_build_tools//toolchains:rbe_linux_clang_platform
+build:rbe-toolchain-clang --host_platform=@envoy_build_tools//toolchains:rbe_linux_clang_platform
+build:rbe-toolchain-clang --crosstool_top=@envoy_build_tools//toolchains/configs/linux/clang/cc:toolchain
+build:rbe-toolchain-clang --extra_toolchains=@envoy_build_tools//toolchains/configs/linux/clang/config:cc-toolchain
 build:rbe-toolchain-clang --action_env=CC=clang --action_env=CXX=clang++ --action_env=PATH=/usr/sbin:/usr/bin:/sbin:/bin:/opt/llvm/bin
 
 build:rbe-toolchain-clang-libc++ --config=rbe-toolchain
-build:rbe-toolchain-clang-libc++ --platforms=@rbe_ubuntu_clang_libcxx//config:platform
-build:rbe-toolchain-clang-libc++ --host_platform=@rbe_ubuntu_clang_libcxx//config:platform
-build:rbe-toolchain-clang-libc++ --crosstool_top=@rbe_ubuntu_clang_libcxx//cc:toolchain
-build:rbe-toolchain-clang-libc++ --extra_toolchains=@rbe_ubuntu_clang_libcxx//config:cc-toolchain
+build:rbe-toolchain-clang-libc++ --platforms=@envoy_build_tools//toolchains:rbe_linux_clang_libcxx_platform
+build:rbe-toolchain-clang-libc++ --host_platform=@envoy_build_tools//toolchains:rbe_linux_clang_libcxx_platform
+build:rbe-toolchain-clang-libc++ --crosstool_top=@envoy_build_tools//toolchains/configs/linux/clang_libcxx/cc:toolchain
+build:rbe-toolchain-clang-libc++ --extra_toolchains=@envoy_build_tools//toolchains/configs/linux/clang_libcxx/config:cc-toolchain
 build:rbe-toolchain-clang-libc++ --action_env=CC=clang --action_env=CXX=clang++ --action_env=PATH=/usr/sbin:/usr/bin:/sbin:/bin:/opt/llvm/bin
 build:rbe-toolchain-clang-libc++ --action_env=CXXFLAGS=-stdlib=libc++
 build:rbe-toolchain-clang-libc++ --action_env=LDFLAGS=-stdlib=libc++
@@ -202,20 +202,20 @@ build:rbe-toolchain-tsan --linkopt=-Wl,-rpath,/opt/libcxx_tsan/lib
 build:rbe-toolchain-tsan --config=clang-tsan
 
 build:rbe-toolchain-gcc --config=rbe-toolchain
-build:rbe-toolchain-gcc --platforms=@rbe_ubuntu_gcc//config:platform
-build:rbe-toolchain-gcc --host_platform=@rbe_ubuntu_gcc//config:platform
-build:rbe-toolchain-gcc --crosstool_top=@rbe_ubuntu_gcc//cc:toolchain
-build:rbe-toolchain-gcc --extra_toolchains=@rbe_ubuntu_gcc//config:cc-toolchain
+build:rbe-toolchain-gcc --platforms=@envoy_build_tools//toolchains:rbe_linux_gcc_platform
+build:rbe-toolchain-gcc --host_platform=@envoy_build_tools//toolchains:rbe_linux_gcc_platform
+build:rbe-toolchain-gcc --crosstool_top=@envoy_build_tools//toolchains/configs/linux/gcc/cc:toolchain
+build:rbe-toolchain-gcc --extra_toolchains=@envoy_build_tools//toolchains/configs/linux/gcc/config:cc-toolchain
 
-build:rbe-toolchain-msvc-cl --host_platform=@rbe_windows_msvc_cl//config:platform
-build:rbe-toolchain-msvc-cl --platforms=@rbe_windows_msvc_cl//config:platform
-build:rbe-toolchain-msvc-cl --crosstool_top=@rbe_windows_msvc_cl//cc:toolchain
-build:rbe-toolchain-msvc-cl --extra_toolchains=@rbe_windows_msvc_cl//config:cc-toolchain
+build:rbe-toolchain-msvc-cl --host_platform=@envoy_build_tools//toolchains:rbe_windows_msvc_cl_platform
+build:rbe-toolchain-msvc-cl --platforms=@envoy_build_tools//toolchains:rbe_windows_msvc_cl_platform
+build:rbe-toolchain-msvc-cl --crosstool_top=@envoy_build_tools//toolchains/configs/windows/msvc-cl/cc:toolchain
+build:rbe-toolchain-msvc-cl --extra_toolchains=@envoy_build_tools//toolchains/configs/windows/msvc-cl/config:cc-toolchain
 
-build:rbe-toolchain-clang-cl --host_platform=@rbe_windows_clang_cl//config:platform
-build:rbe-toolchain-clang-cl --platforms=@rbe_windows_clang_cl//config:platform
-build:rbe-toolchain-clang-cl --crosstool_top=@rbe_windows_clang_cl//cc:toolchain
-build:rbe-toolchain-clang-cl --extra_toolchains=@rbe_windows_clang_cl//config:cc-toolchain
+build:rbe-toolchain-clang-cl --host_platform=@envoy_build_tools//toolchains:rbe_windows_clang_cl_platform
+build:rbe-toolchain-clang-cl --platforms=@envoy_build_tools//toolchains:rbe_windows_clang_cl_platform
+build:rbe-toolchain-clang-cl --crosstool_top=@envoy_build_tools//toolchains/configs/windows/clang-cl/cc:toolchain
+build:rbe-toolchain-clang-cl --extra_toolchains=@envoy_build_tools//toolchains/configs/windows/clang-cl/config:cc-toolchain
 
 build:remote --spawn_strategy=remote,sandboxed,local
 build:remote --strategy=Javac=remote,sandboxed,local
@@ -265,7 +265,7 @@ build:remote-clang-cl --config=rbe-toolchain-clang-cl
 
 # Docker sandbox
 # NOTE: Update this from https://github.com/envoyproxy/envoy-build-tools/blob/main/toolchains/rbe_toolchains_config.bzl#L8
-build:docker-sandbox --experimental_docker_image=envoyproxy/envoy-build-ubuntu:55d9e4719d2bd0accce8f829b44dab70cd42112a
+build:docker-sandbox --experimental_docker_image=envoyproxy/envoy-build-ubuntu:8ca107a75ee98b255aa59db2ab40fd0800a3ce99
 build:docker-sandbox --spawn_strategy=docker
 build:docker-sandbox --strategy=Javac=docker
 build:docker-sandbox --strategy=Closure=docker

.devcontainer/Dockerfile

@@ -1,4 +1,4 @@
-FROM gcr.io/envoy-ci/envoy-build:55d9e4719d2bd0accce8f829b44dab70cd42112a
+FROM gcr.io/envoy-ci/envoy-build:8ca107a75ee98b255aa59db2ab40fd0800a3ce99
 
 ARG USERNAME=vscode
 ARG USER_UID=501

api/envoy/config/filter/http/jwt_authn/v2alpha/config.proto

@@ -390,7 +390,8 @@ message FilterStateRule {
 
   // A map of string keys to requirements. The string key is the string value
   // in the FilterState with the name specified in the *name* field above.
-  map<string, JwtRequirement> requires = 3;
+  map<string, JwtRequirement>
+  requires = 3;
 }
 
 // This is the Envoy HTTP filter config for JWT authentication.

api/envoy/extensions/filters/http/jwt_authn/v3/config.proto

@@ -582,7 +582,8 @@ message FilterStateRule {
 
   // A map of string keys to requirements. The string key is the string value
   // in the FilterState with the name specified in the *name* field above.
-  map<string, JwtRequirement> requires = 3;
+  map<string, JwtRequirement>
+  requires = 3;
 }
 
 // This is the Envoy HTTP filter config for JWT authentication.

bazel/dependency_imports.bzl

@@ -1,6 +1,5 @@
 load("@rules_foreign_cc//foreign_cc:repositories.bzl", "rules_foreign_cc_dependencies")
 load("@io_bazel_rules_go//go:deps.bzl", "go_register_toolchains", "go_rules_dependencies")
-load("@envoy_build_tools//toolchains:rbe_toolchains_config.bzl", "rbe_toolchains_config")
 load("@bazel_toolchains//rules/exec_properties:exec_properties.bzl", "create_rbe_exec_properties_dict", "custom_exec_properties")
 load("@bazel_gazelle//:deps.bzl", "gazelle_dependencies", "go_repository")
 load("@build_bazel_rules_apple//apple:repositories.bzl", "apple_rules_dependencies")
@@ -9,6 +8,7 @@ load("@upb//bazel:workspace_deps.bzl", "upb_deps")
 load("@rules_rust//rust:repositories.bzl", "rust_repositories")
 load("@rules_antlr//antlr:deps.bzl", "antlr_dependencies")
 load("@proxy_wasm_rust_sdk//bazel:dependencies.bzl", "proxy_wasm_rust_sdk_dependencies")
+load("@rules_cc//cc:repositories.bzl", "rules_cc_dependencies", "rules_cc_toolchains")
 
 # go version for rules_go
 GO_VERSION = "1.15.5"
@@ -18,7 +18,6 @@ def envoy_dependency_imports(go_version = GO_VERSION):
     rules_foreign_cc_dependencies(register_default_tools = False, register_built_tools = False)
     go_rules_dependencies()
     go_register_toolchains(go_version)
-    rbe_toolchains_config()
     gazelle_dependencies()
     apple_rules_dependencies()
     rust_repositories()
@@ -29,6 +28,8 @@ def envoy_dependency_imports(go_version = GO_VERSION):
         oss_fuzz = True,
         honggfuzz = False,
     )
+    rules_cc_dependencies()
+    rules_cc_toolchains()
 
     custom_exec_properties(
         name = "envoy_large_machine_exec_property",

bazel/external/envoy_build_tools.patch

@@ -0,0 +1,39 @@
+diff --git a/toolchains/configs/linux/clang/cc/cc_toolchain_config.bzl b/toolchains/configs/linux/clang/cc/cc_toolchain_config.bzl
+index 5dbaa86..3c90e3b 100755
+--- a/toolchains/configs/linux/clang/cc/cc_toolchain_config.bzl
++++ b/toolchains/configs/linux/clang/cc/cc_toolchain_config.bzl
+@@ -386,7 +386,7 @@ def _impl(ctx):
+                 ],
+                 flag_groups = [
+                     flag_group(
+-                        flags = ["-gsplit-dwarf"],
++                        flags = ["-gsplit-dwarf", "-g"],
+                         expand_if_available = "per_object_debug_info_file",
+                     ),
+                 ],
+diff --git a/toolchains/configs/linux/clang_libcxx/cc/cc_toolchain_config.bzl b/toolchains/configs/linux/clang_libcxx/cc/cc_toolchain_config.bzl
+index 5dbaa86..3c90e3b 100755
+--- a/toolchains/configs/linux/clang_libcxx/cc/cc_toolchain_config.bzl
++++ b/toolchains/configs/linux/clang_libcxx/cc/cc_toolchain_config.bzl
+@@ -386,7 +386,7 @@ def _impl(ctx):
+                 ],
+                 flag_groups = [
+                     flag_group(
+-                        flags = ["-gsplit-dwarf"],
++                        flags = ["-gsplit-dwarf", "-g"],
+                         expand_if_available = "per_object_debug_info_file",
+                     ),
+                 ],
+diff --git a/toolchains/configs/linux/gcc/cc/cc_toolchain_config.bzl b/toolchains/configs/linux/gcc/cc/cc_toolchain_config.bzl
+index 5dbaa86..3c90e3b 100755
+--- a/toolchains/configs/linux/gcc/cc/cc_toolchain_config.bzl
++++ b/toolchains/configs/linux/gcc/cc/cc_toolchain_config.bzl
+@@ -386,7 +386,7 @@ def _impl(ctx):
+                 ],
+                 flag_groups = [
+                     flag_group(
+-                        flags = ["-gsplit-dwarf"],
++                        flags = ["-gsplit-dwarf", "-g"],
+                         expand_if_available = "per_object_debug_info_file",
+                     ),
+                 ],

bazel/external/rules_cc.patch

@@ -0,0 +1,13 @@
+diff --git a/cc/private/toolchain/unix_cc_toolchain_config.bzl b/cc/private/toolchain/unix_cc_toolchain_config.bzl
+index c3cf3ba..d207bbd 100644
+--- a/cc/private/toolchain/unix_cc_toolchain_config.bzl
++++ b/cc/private/toolchain/unix_cc_toolchain_config.bzl
+@@ -313,7 +313,7 @@ def _impl(ctx):
+                 ],
+                 flag_groups = [
+                     flag_group(
+-                        flags = ["-gsplit-dwarf"],
++                        flags = ["-gsplit-dwarf", "-g"],
+                         expand_if_available = "per_object_debug_info_file",
+                     ),
+                 ],

bazel/repositories.bzl

@@ -226,8 +226,16 @@ def envoy_dependencies(skip_targets = []):
     external_http_archive("com_github_google_flatbuffers")
     external_http_archive("bazel_toolchains")
     external_http_archive("bazel_compdb")
-    external_http_archive("envoy_build_tools")
-    external_http_archive("rules_cc")
+    external_http_archive(
+        name = "envoy_build_tools",
+        patch_args = ["-p1"],
+        patches = ["@envoy//bazel/external:envoy_build_tools.patch"],
+    )
+    external_http_archive(
+        "rules_cc",
+        patch_args = ["-p1"],
+        patches = ["@envoy//bazel/external:rules_cc.patch"],
+    )
     external_http_archive("rules_pkg")
 
     # Unconditional, since we use this only for compiler-agnostic fuzzing utils.

bazel/repository_locations.bzl

@@ -65,11 +65,11 @@ REPOSITORY_LOCATIONS_SPEC = dict(
         project_name = "envoy-build-tools",
         project_desc = "Common build tools shared by the Envoy/UDPA ecosystem",
         project_url = "https://github.com/envoyproxy/envoy-build-tools",
-        version = "a955a00bed5f35777a83899ee680f8530eee4718",
-        sha256 = "b0830dc6fc1e3a095c5d817ca768c89c407bdd71894e1641daf500d28cb269da",
+        version = "a9db6cde8e8d4404621e9631bba237c45e04ceed",
+        sha256 = "f2c7d4d5c4b18d85321d4c43686b8c5b5473a4ad9b1f8f4245d863a10367a9c0",
         strip_prefix = "envoy-build-tools-{version}",
         urls = ["https://github.com/envoyproxy/envoy-build-tools/archive/{version}.tar.gz"],
-        release_date = "2021-05-25",
+        release_date = "2021-09-17",
         use_category = ["build"],
     ),
     boringssl = dict(
@@ -653,11 +653,11 @@ REPOSITORY_LOCATIONS_SPEC = dict(
         project_desc = "Bazel rules for the C++ language",
         project_url = "https://github.com/bazelbuild/rules_cc",
         # TODO(lizan): pin to a point releases when there's a released version.
-        version = "b1c40e1de81913a3c40e5948f78719c28152486d",
-        sha256 = "71d037168733f26d2a9648ad066ee8da4a34a13f51d24843a42efa6b65c2420f",
+        version = "dd2758b96dc8f9f4add81eaa4154b7e3d8be6873",
+        sha256 = "67571de4070cff615f7232281d8b12d8400976d21c19d8274386ab02799269fb",
         strip_prefix = "rules_cc-{version}",
         urls = ["https://github.com/bazelbuild/rules_cc/archive/{version}.tar.gz"],
-        release_date = "2020-11-11",
+        release_date = "2021-09-17",
         use_category = ["build"],
     ),
     rules_foreign_cc = dict(
@@ -906,12 +906,12 @@ REPOSITORY_LOCATIONS_SPEC = dict(
         project_name = "compiler-rt",
         project_desc = "LLVM compiler runtime library",
         project_url = "https://compiler-rt.llvm.org",
-        version = "11.0.1",
-        sha256 = "087be3f1116e861cd969c9b0b0903c27028b52eaf45157276f50a9c2500687fc",
+        version = "12.0.1",
+        sha256 = "b4c8d5f2a802332987c1c0a95b5afb35b1a66a96fe44add4e4ed4792c4cba0a4",
         # Only allow peeking at fuzzer related files for now.
         strip_prefix = "compiler-rt-{version}.src",
         urls = ["https://github.com/llvm/llvm-project/releases/download/llvmorg-{version}/compiler-rt-{version}.src.tar.xz"],
-        release_date = "2021-01-06",
+        release_date = "2021-07-09",
         use_category = ["test_only"],
     ),
     upb = dict(

examples/wasm-cc/docker-compose-wasm.yaml

@@ -2,7 +2,7 @@ version: "3.7"
 
 services:
   wasm_compile_update:
-    image: envoyproxy/envoy-build-ubuntu:55d9e4719d2bd0accce8f829b44dab70cd42112a
+    image: envoyproxy/envoy-build-ubuntu:8ca107a75ee98b255aa59db2ab40fd0800a3ce99
     command: |
       bash -c "bazel build //examples/wasm-cc:envoy_filter_http_wasm_updated_example.wasm && cp -a bazel-bin/examples/wasm-cc/* /build"
     working_dir: /source
@@ -11,7 +11,7 @@ services:
     - ./lib:/build
 
   wasm_compile:
-    image: envoyproxy/envoy-build-ubuntu:55d9e4719d2bd0accce8f829b44dab70cd42112a
+    image: envoyproxy/envoy-build-ubuntu:8ca107a75ee98b255aa59db2ab40fd0800a3ce99
     command: |
       bash -c "bazel build //examples/wasm-cc:envoy_filter_http_wasm_example.wasm && cp -a bazel-bin/examples/wasm-cc/* /build"
     working_dir: /source

test/common/http/header_map_impl_test.cc

@@ -423,8 +423,9 @@ TEST_P(HeaderMapImplTest, AllInlineHeaders) {
     INLINE_REQ_RESP_STRING_HEADERS(TEST_INLINE_STRING_HEADER_FUNCS)
   }
   {
-      // No request trailer O(1) headers.
-  } {
+    // No request trailer O(1) headers.
+  }
+  {
     auto header_map = ResponseHeaderMapImpl::create();
     INLINE_RESP_STRING_HEADERS(TEST_INLINE_STRING_HEADER_FUNCS)
     INLINE_REQ_RESP_STRING_HEADERS(TEST_INLINE_STRING_HEADER_FUNCS)