In theory we should not have issues building our checkers against clang 8.0 since we did several patches in order to make our own code compliant with clang 8.0 trunk, please see [1]

[1] https://hg.mozilla.org/mozilla-central/rev/538a16d49514

Could you please also run:

./mach try fuzzy

and pick the static-analysis-autotest tasks for both win64 and linux64?

ignore-this-changeset

Depends on D24175

Try is happy: https://treeherder.mozilla.org/#/jobs?repo=try&revision=552247ff77100312c9987a8bf4f89e77145867ee

Backed out 2 changesets (Bug 1539779, Bug 1536790) for toolchain failure. On a CLOSED TREE

Push with failures: https://treeherder.mozilla.org/#/jobs?repo=autoland&resultStatus=testfailed%2Cbusted%2Cexception&classifiedState=unclassified&revision=5ecdbfab88b4e6b32ba725a697991f7dfc986f03

Failure log: https://treeherder.mozilla.org/logviewer.html#?job_id=236837016&repo=autoland

Backout link: https://treeherder.mozilla.org/#/jobs?repo=autoland&resultStatus=testfailed%2Cbusted%2Cexception&classifiedState=unclassified&revision=beed1b214c4fbb4c7695a9ea75b06cf9e18517f8

[task 2019-03-29T08:28:44.308Z] FAILED: : && /builds/worker/workspace/build/src/clang/bin/clang++ -stdlib=libc++ -target x86_64-darwin11 -mlinker-version=137 -B /builds/worker/workspace/build/src/cctools/bin -isysroot /builds/worker/workspace/build/src/MacOSX10.11.sdk -I/builds/worker/workspace/build/src/MacOSX10.11.sdk/usr/include -iframework /builds/worker/workspace/build/src/MacOSX10.11.sdk/System/Library/Frameworks -fPIC -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -std=c++11 -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wstring-conversion -fdiagnostics-color -fno-common -Woverloaded-virtual -Wno-nested-anon-types -O3 -DNDEBUG -arch x86_64 -isysroot /builds/worker/workspace/build/src/MacOSX10.11.sdk -Wl,-search_paths_first -Wl,-headerpad_max_install_names -Wl,-syslibroot,/builds/worker/workspace/build/src/MacOSX10.11.sdk -Wl,-dead_strip -Wl,-dead_strip tools/clang/tools/extra/clang-tidy/tool/CMakeFiles/clang-tidy.dir/ClangTidyMain.cpp.o -o bin/clang-tidy -Wl,-rpath,@loader_path/../lib lib/libclangAST.a lib/libclangASTMatchers.a lib/libclangBasic.a lib/libclangTidy.a lib/libclangTidyAbseilModule.a lib/libclangTidyAndroidModule.a lib/libclangTidyBoostModule.a lib/libclangTidyBugproneModule.a lib/libclangTidyCERTModule.a lib/libclangTidyCppCoreGuidelinesModule.a lib/libclangTidyFuchsiaModule.a lib/libclangTidyGoogleModule.a lib/libclangTidyHICPPModule.a lib/libclangTidyLLVMModule.a lib/libclangTidyMiscModule.a lib/libclangTidyModernizeModule.a lib/libclangTidyMozillaModule.a lib/libclangTidyObjCModule.a lib/libclangTidyPerformanceModule.a lib/libclangTidyPortabilityModule.a lib/libclangTidyReadabilityModule.a lib/libclangTidyZirconModule.a lib/libclangTooling.a lib/libclangToolingCore.a lib/libclangAST.a lib/libclangASTMatchers.a lib/libclangBasic.a lib/libclangTidy.a lib/libclangTidyAbseilModule.a lib/libclangTidyAndroidModule.a lib/libclangTidyBoostModule.a lib/libclangTidyBugproneModule.a lib/libclangTidyCERTModule.a lib/libclangTidyCppCoreGuidelinesModule.a lib/libclangTidyFuchsiaModule.a lib/libclangTidyGoogleModule.a lib/libclangTidyHICPPModule.a lib/libclangTidyLLVMModule.a lib/libclangTidyMiscModule.a lib/libclangTidyModernizeModule.a lib/libclangTidyMozillaModule.a lib/libclangTidyObjCModule.a lib/libclangTidyPerformanceModule.a lib/libclangTidyPortabilityModule.a lib/libclangTidyReadabilityModule.a lib/libclangTidyZirconModule.a lib/libclangTooling.a lib/libclangToolingCore.a lib/libclangTidyBugproneModule.a lib/libclangTidyCppCoreGuidelinesModule.a lib/libclangTidyGoogleModule.a lib/libclangTidyMiscModule.a lib/libclangTidyModernizeModule.a lib/libclangTidyReadabilityModule.a lib/libclangTidyUtils.a lib/libclangTidy.a lib/libclangTooling.a lib/libclangStaticAnalyzerFrontend.a lib/libclangStaticAnalyzerCheckers.a lib/libclangStaticAnalyzerCore.a lib/libclangCrossTU.a lib/libclangIndex.a lib/libclangFormat.a lib/libclangToolingInclusions.a lib/libclangToolingCore.a lib/libclangFrontend.a lib/libclangDriver.a lib/libclangParse.a lib/libclangRewrite.a lib/libclangSerialization.a lib/libclangSema.a lib/libclangEdit.a lib/libclangAnalysis.a lib/libclangASTMatchers.a lib/libclangAST.a lib/libclangLex.a lib/libclangBasic.a lib/libLLVM.dylib && :
[task 2019-03-29T08:28:44.308Z] Undefined symbols for architecture x86_64:
[task 2019-03-29T08:28:44.308Z] "clang::tidy::MPIModuleAnchorSource", referenced from:
[task 2019-03-29T08:28:44.308Z] __GLOBAL__sub_I_ClangTidyMain.cpp in ClangTidyMain.cpp.o
[task 2019-03-29T08:28:44.308Z] ld: symbol(s) not found for architecture x86_64
[task 2019-03-29T08:28:44.308Z] clang-7: error: linker command failed with exit code 1 (use -v to see invocation)
[task 2019-03-29T08:28:57.793Z] ninja: build stopped: subcommand failed.
[task 2019-03-29T08:28:57.818Z] Traceback (most recent call last):
[task 2019-03-29T08:28:57.818Z] File "./build-clang.py", line 758, in <module>
[task 2019-03-29T08:28:57.818Z] build_type, assertions, python_path, gcc_dir, libcxx_include_dir)
[task 2019-03-29T08:28:57.818Z] File "./build-clang.py", line 326, in build_one_stage
[task 2019-03-29T08:28:57.818Z] build_package(build_dir, cmake_args)
[task 2019-03-29T08:28:57.818Z] File "./build-clang.py", line 76, in build_package
[task 2019-03-29T08:28:57.818Z] run_in(package_build_dir, ["ninja", "install"])
[task 2019-03-29T08:28:57.818Z] File "./build-clang.py", line 43, in run_in
[task 2019-03-29T08:28:57.818Z] check_run(args)
[task 2019-03-29T08:28:57.818Z] File "./build-clang.py", line 36, in check_run
[task 2019-03-29T08:28:57.818Z] assert r == 0
[task 2019-03-29T08:28:57.818Z] AssertionError
[fetches 2019-03-29T08:28:57.837Z] removing /builds/worker/workspace/build
[fetches 2019-03-29T08:28:58.885Z] finished
[taskcluster 2019-03-29 08:28:59.280Z] === Task Finished ===
[taskcluster 2019-03-29 08:29:00.369Z] Unsuccessful task run with exit code: 1 completed in 909.582 seconds

Landed manually here: https://hg.mozilla.org/integration/autoland/rev/9eb7867c1dd431f6effdd99bfea5c8a003ebb730

Backed out 3 changesets (bug 1538060, bug 1539779, bug 1536790) for causing clang-tidy bustages

push that caused the backout: https://treeherder.mozilla.org/#/jobs?repo=autoland&resultStatus=testfailed%2Cbusted%2Cexception&classifiedState=unclassified&selectedJob=237027527&revision=7d058f3174e5b7b6558e944137558ad501ec4a17

failure: https://treeherder.mozilla.org/#/jobs?repo=autoland&resultStatus=testfailed%2Cbusted%2Cexception&classifiedState=unclassified&fromchange=47064bce86937fe84664fe713e20071670915def&selectedJob=237037908&searchStr=toolchains%2Copt%2Ctoolchain%2Cbuilds%2Cfor%2Cosx%2Ctoolchain-macosx64-clang-tidy%2Ctm%28clang-tidy%29

backout: https://hg.mozilla.org/integration/autoland/rev/825e93bb4b136234d46dfb8acc70cde7f0446ab8

See
https://bugzilla.mozilla.org/show_bug.cgi?id=1539779#c8

https://hg.mozilla.org/mozilla-central/rev/f5395d54a7d1
https://hg.mozilla.org/mozilla-central/rev/20b1524329bb