INFO:2026-04-20T13:27:08Z:root:pulling...
From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   578c3aae5889..17a98cb3114d  main       -> origin/main
Switched to branch 'main'
Your branch is behind 'origin/main' by 1 commit, and can be fast-forwarded.
  (use "git pull" to update your local branch)
HEAD is now at 17a98cb3114d [NFC][Clang][DebugInfo] Fix constructor type comment (#192949)
INFO:2026-04-20T13:27:29Z:root:syncing...
Deleted branch merge (was 578c3aae5889).
Switched to a new branch 'merge'
branch 'merge' set up to track 'origin/main'.
INFO:2026-04-20T13:27:30Z:root:building
ninja: Entering directory `out/gn'
[1/289] CXX obj/clang/lib/CodeGen/CodeGen.MacroPPCallbacks.o
[2/289] CXX obj/clang/lib/CodeGen/CodeGen.CodeGenTypes.o
[3/289] CXX obj/clang/lib/CodeGen/CodeGen.ModuleBuilder.o
[4/289] CXX obj/clang/lib/CodeGen/CodeGen.CGCoroutine.o
[5/289] CXX obj/clang/lib/CodeGen/CodeGen.CGDeclCXX.o
[6/289] CXX obj/clang/lib/CodeGen/CodeGen.CGVTables.o
[7/289] CXX obj/clang/lib/CodeGen/CodeGen.CGExprCXX.o
[8/289] CXX obj/clang/lib/CodeGen/CodeGen.CGExprComplex.o
[9/289] CXX obj/clang/lib/CodeGen/CodeGen.CGNonTrivialStruct.o
[10/289] CXX obj/clang/lib/CodeGen/CodeGen.CGException.o
[11/289] CXX obj/clang/lib/CodeGen/CodeGen.CGExprAgg.o
[12/289] CXX obj/clang/lib/CodeGen/CodeGen.CGClass.o
[13/289] CXX obj/clang/lib/CodeGen/CodeGen.CGOpenMPRuntimeGPU.o
[14/289] CXX obj/clang/lib/CodeGen/CodeGen.MicrosoftCXXABI.o
[15/289] CXX obj/clang/lib/CodeGen/CodeGen.ItaniumCXXABI.o
[16/289] CXX obj/clang/lib/CodeGen/CodeGen.CGBlocks.o
[17/289] CXX obj/clang/lib/CodeGen/CodeGen.CGObjC.o
[18/289] CXX obj/clang/lib/CodeGen/CodeGen.CGBuiltin.o
[19/289] CXX obj/clang/lib/CodeGen/CodeGen.CGExprScalar.o
[20/289] CXX obj/clang/lib/CodeGen/CodeGen.CGStmt.o
[21/289] CXX obj/clang/lib/CodeGen/CodeGen.CGDecl.o
[22/289] CXX obj/clang/lib/CodeGen/CodeGen.CodeGenFunction.o
[23/289] CXX obj/clang/lib/CodeGen/TargetBuiltins/CodeGen.ARM.o
[24/289] CXX obj/clang/lib/CodeGen/CodeGen.CGCall.o
[25/289] CXX obj/clang/lib/CodeGen/CodeGen.CGExpr.o
[26/289] CXX obj/clang/lib/CodeGen/CodeGen.CGHLSLRuntime.o
[27/289] CXX obj/clang/lib/CodeGen/CodeGen.ObjectFilePCHContainerWriter.o
[28/289] CXX obj/clang/lib/CodeGen/CodeGen.CGStmtOpenMP.o
[29/289] CXX obj/clang/lib/CodeGen/CodeGen.CodeGenPGO.o
[30/289] CXX obj/clang/lib/CodeGen/CodeGen.CGOpenMPRuntime.o
[31/289] CXX obj/clang/lib/CodeGen/CodeGen.CGDebugInfo.o
[32/289] CXX obj/clang/lib/CodeGen/CodeGen.CodeGenModule.o
[33/289] AR lib/libclangCodeGen.a
[34/289] LINK ./bin/c-index-test
[35/289] LINK ./bin/lldb-server
[36/289] LINK ./bin/clang-scan-deps
[37/289] LINK obj/clang/unittests/CodeGen/ClangCodeGenTests
[38/289] LINK ./bin/clang-import-test
[39/289] LINK obj/clang/unittests/Frontend/FrontendTests
[40/289] LINK obj/clang/unittests/Interpreter/ExceptionTests/ClangReplInterpreterExceptionTests
[41/289] LINK ./bin/clang
[42/289] LINK ./bin/clang-repl
[43/289] ACTION //clang/tools/driver:clang-cpp(//llvm/utils/gn/build/toolchain:unix)
[44/289] ACTION //clang/tools/driver:clang-cl(//llvm/utils/gn/build/toolchain:unix)
[45/289] ACTION //clang/tools/driver:clangxx(//llvm/utils/gn/build/toolchain:unix)
[46/289] LINK obj/clang/unittests/Interpreter/ClangReplInterpreterTests
[47/289] LINK ./bin/lldb-test
[48/289] ACTION //compiler-rt/test/asan:lit_site_cfg(//llvm/utils/gn/build/toolchain:stage2_unix)
[49/289] ACTION //compiler-rt/test/hwasan:lit_site_cfg(//llvm/utils/gn/build/toolchain:stage2_unix)
[50/289] ACTION //compiler-rt/test/builtins:builtins_mode_cfg(//llvm/utils/gn/build/toolchain:stage2_unix)
[51/289] ACTION //llvm/include/llvm/Config:Disassemblers.def(//llvm/utils/gn/build/toolchain:stage2_unix)
[52/289] ACTION //llvm/include/llvm/Config:TargetMCAs.def(//llvm/utils/gn/build/toolchain:stage2_unix)
[53/289] ACTION //compiler-rt/test:lit_common_configured(//llvm/utils/gn/build/toolchain:stage2_unix)
[54/289] ACTION //llvm/include/llvm/Config:Targets(//llvm/utils/gn/build/toolchain:stage2_unix)
[55/289] ACTION //llvm/include/llvm/Support:write_extension_def(//llvm/utils/gn/build/toolchain:stage2_unix)
[56/289] ACTION //llvm/include/llvm/Config:abi-breaking(//llvm/utils/gn/build/toolchain:stage2_unix)
[57/289] ACTION //compiler-rt/test/lsan:asan_mode_cfg(//llvm/utils/gn/build/toolchain:stage2_unix)
[58/289] ACTION //llvm/include/llvm/Config:llvm-config(//llvm/utils/gn/build/toolchain:stage2_unix)
[59/108] ACTION //llvm/include/llvm/Config:AsmPrinters.def(//llvm/utils/gn/build/toolchain:stage2_unix)
[60/108] ACTION //compiler-rt/lib/ubsan:ubsan_loop_detect_dynamic_list(//llvm/utils/gn/build/toolchain:stage2_unix)
[61/108] ACTION //compiler-rt/lib/ubsan:ubsan_static_cxx_dynamic_list(//llvm/utils/gn/build/toolchain:stage2_unix)
[62/108] ACTION //llvm/include/llvm/Support:write_vcsrevision(//llvm/utils/gn/build/toolchain:stage2_unix)
[63/108] ACTION //libcxx/src:cxx_symlink(//llvm/utils/gn/build/toolchain:stage2_unix)
[64/108] ACTION //llvm/include/llvm/Config:AsmParsers.def(//llvm/utils/gn/build/toolchain:stage2_unix)
[65/108] ACTION //llvm/include/llvm/Config:Targets.def(//llvm/utils/gn/build/toolchain:stage2_unix)
[66/108] ACTION //llvm/include/llvm/Config:TargetExegesis.def(//llvm/utils/gn/build/toolchain:stage2_unix)
[67/108] ACTION //compiler-rt/lib/ubsan:ubsan_static_dynamic_list(//llvm/utils/gn/build/toolchain:stage2_unix)
[68/108] LINK ./bin/lldb-dap
[69/108] ACTION //compiler-rt/lib/hwasan:version_script(//llvm/utils/gn/build/toolchain:stage2_unix)
[70/108] ACTION //compiler-rt/lib/ubsan:version_script(//llvm/utils/gn/build/toolchain:stage2_unix)
[71/108] ACTION //llvm/include/llvm/Config:config(//llvm/utils/gn/build/toolchain:stage2_unix)
[72/75] ACTION //libcxx/src:cxx_linker_script(//llvm/utils/gn/build/toolchain:stage2_unix)
[73/75] LINK ./bin/lldb
[74/75] SOLINK lib/clang/23/lib/linux/libclang_rt.ubsan_standalone-x86_64.so
[75/75] SOLINK lib/clang/23/lib/linux/libclang_rt.hwasan_aliases-x86_64.so
INFO:2026-04-20T13:28:10Z:root:analyze
skipping analyze because previous build was not green
INFO:2026-04-20T13:28:10Z:root:testing
INFO:2026-04-20T13:28:10Z:root:test check-clang
ninja: Entering directory `out/gn'
[0/1] ACTION //clang/test:check-clang(//llvm/utils/gn/build/toolchain:unix)
llvm-lit: /usr/local/google/home/thakis/src/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using clang: /usr/local/google/home/thakis/src/llvm-project/out/gn/bin/clang
llvm-lit: /usr/local/google/home/thakis/src/llvm-project/llvm/utils/lit/lit/llvm/subst.py:130: note: Did not find cir-opt in /usr/local/google/home/thakis/src/llvm-project/out/gn/bin:/usr/local/google/home/thakis/src/llvm-project/out/gn/bin
llvm-lit: /usr/local/google/home/thakis/src/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld.lld: /usr/local/google/home/thakis/src/llvm-project/out/gn/bin/ld.lld
llvm-lit: /usr/local/google/home/thakis/src/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using lld-link: /usr/local/google/home/thakis/src/llvm-project/out/gn/bin/lld-link
llvm-lit: /usr/local/google/home/thakis/src/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using ld64.lld: /usr/local/google/home/thakis/src/llvm-project/out/gn/bin/ld64.lld
llvm-lit: /usr/local/google/home/thakis/src/llvm-project/llvm/utils/lit/lit/llvm/config.py:569: note: using wasm-ld: /usr/local/google/home/thakis/src/llvm-project/out/gn/bin/wasm-ld
-- Testing: 25771 tests, 64 workers --
Testing: 
FAIL: Clang :: Driver/memtag-stack_lto.c (1 of 25771)
******************** TEST 'Clang :: Driver/memtag-stack_lto.c' FAILED ********************
Exit Code: -6

Command Output (stdout):
--
# RUN: at line 5
rm -f /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp*
# executed command: rm -f '/usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp*'
# RUN: at line 8
/usr/local/google/home/thakis/src/llvm-project/out/gn/bin/clang -O1 --target=aarch64-unknown-linux -mllvm -stack-safety-print /usr/local/google/home/thakis/src/llvm-project/clang/test/Driver/memtag-stack_lto.c -S -o - 2>&1 | /usr/local/google/home/thakis/src/llvm-project/out/gn/bin/FileCheck /usr/local/google/home/thakis/src/llvm-project/clang/test/Driver/memtag-stack_lto.c
# executed command: /usr/local/google/home/thakis/src/llvm-project/out/gn/bin/clang -O1 --target=aarch64-unknown-linux -mllvm -stack-safety-print /usr/local/google/home/thakis/src/llvm-project/clang/test/Driver/memtag-stack_lto.c -S -o -
# executed command: /usr/local/google/home/thakis/src/llvm-project/out/gn/bin/FileCheck /usr/local/google/home/thakis/src/llvm-project/clang/test/Driver/memtag-stack_lto.c
# RUN: at line 11
/usr/local/google/home/thakis/src/llvm-project/out/gn/bin/clang -O1 --target=aarch64-unknown-linux -c /usr/local/google/home/thakis/src/llvm-project/clang/test/Driver/memtag-stack_lto.c -flto=full -o /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.ltonewpm1.bc
# executed command: /usr/local/google/home/thakis/src/llvm-project/out/gn/bin/clang -O1 --target=aarch64-unknown-linux -c /usr/local/google/home/thakis/src/llvm-project/clang/test/Driver/memtag-stack_lto.c -flto=full -o /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.ltonewpm1.bc
# RUN: at line 12
/usr/local/google/home/thakis/src/llvm-project/out/gn/bin/clang -O1 --target=aarch64-unknown-linux -c -DBUILD2 /usr/local/google/home/thakis/src/llvm-project/clang/test/Driver/memtag-stack_lto.c -flto=full -o /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.ltonewpm2.bc
# executed command: /usr/local/google/home/thakis/src/llvm-project/out/gn/bin/clang -O1 --target=aarch64-unknown-linux -c -DBUILD2 /usr/local/google/home/thakis/src/llvm-project/clang/test/Driver/memtag-stack_lto.c -flto=full -o /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.ltonewpm2.bc
# RUN: at line 13
/usr/local/google/home/thakis/src/llvm-project/out/gn/bin/llvm-lto2 run -o /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.ltonewpm /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.ltonewpm1.bc /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.ltonewpm2.bc -save-temps -stack-safety-print -thinlto-threads 1 -O1   -r /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.ltonewpm1.bc,fn,plx   -r /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.ltonewpm1.bc,use,lx   -r /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.ltonewpm1.bc,use_local,plx   -r /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.ltonewpm1.bc,w,   -r /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.ltonewpm2.bc,use,plx   -r /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.ltonewpm2.bc,z, 2>&1 | /usr/local/google/home/thakis/src/llvm-project/out/gn/bin/FileCheck /usr/local/google/home/thakis/src/llvm-project/clang/test/Driver/memtag-stack_lto.c --allow-empty
# executed command: /usr/local/google/home/thakis/src/llvm-project/out/gn/bin/llvm-lto2 run -o /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.ltonewpm /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.ltonewpm1.bc /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.ltonewpm2.bc -save-temps -stack-safety-print -thinlto-threads 1 -O1 -r /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.ltonewpm1.bc,fn,plx -r /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.ltonewpm1.bc,use,lx -r /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.ltonewpm1.bc,use_local,plx -r /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.ltonewpm1.bc,w, -r /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.ltonewpm2.bc,use,plx -r /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.ltonewpm2.bc,z,
# executed command: /usr/local/google/home/thakis/src/llvm-project/out/gn/bin/FileCheck /usr/local/google/home/thakis/src/llvm-project/clang/test/Driver/memtag-stack_lto.c --allow-empty
# RUN: at line 22
/usr/local/google/home/thakis/src/llvm-project/out/gn/bin/clang -O1 --target=aarch64-unknown-linux -c /usr/local/google/home/thakis/src/llvm-project/clang/test/Driver/memtag-stack_lto.c -flto=thin -o /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.thinltonewpm1.bc
# executed command: /usr/local/google/home/thakis/src/llvm-project/out/gn/bin/clang -O1 --target=aarch64-unknown-linux -c /usr/local/google/home/thakis/src/llvm-project/clang/test/Driver/memtag-stack_lto.c -flto=thin -o /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.thinltonewpm1.bc
# RUN: at line 23
/usr/local/google/home/thakis/src/llvm-project/out/gn/bin/clang -O1 --target=aarch64-unknown-linux -c -DBUILD2 /usr/local/google/home/thakis/src/llvm-project/clang/test/Driver/memtag-stack_lto.c -flto=thin -o /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.thinltonewpm2.bc
# executed command: /usr/local/google/home/thakis/src/llvm-project/out/gn/bin/clang -O1 --target=aarch64-unknown-linux -c -DBUILD2 /usr/local/google/home/thakis/src/llvm-project/clang/test/Driver/memtag-stack_lto.c -flto=thin -o /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.thinltonewpm2.bc
# RUN: at line 24
/usr/local/google/home/thakis/src/llvm-project/out/gn/bin/llvm-lto2 run -o /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.thinltonewpm /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.thinltonewpm1.bc /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.thinltonewpm2.bc -save-temps -stack-safety-print -thinlto-threads 1 -O1   -r /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.thinltonewpm1.bc,fn,plx   -r /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.thinltonewpm1.bc,use,lx   -r /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.thinltonewpm1.bc,use_local,plx   -r /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.thinltonewpm1.bc,w,   -r /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.thinltonewpm2.bc,use,plx   -r /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.thinltonewpm2.bc,z, 2>&1 | /usr/local/google/home/thakis/src/llvm-project/out/gn/bin/FileCheck /usr/local/google/home/thakis/src/llvm-project/clang/test/Driver/memtag-stack_lto.c --allow-empty
# executed command: /usr/local/google/home/thakis/src/llvm-project/out/gn/bin/llvm-lto2 run -o /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.thinltonewpm /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.thinltonewpm1.bc /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.thinltonewpm2.bc -save-temps -stack-safety-print -thinlto-threads 1 -O1 -r /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.thinltonewpm1.bc,fn,plx -r /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.thinltonewpm1.bc,use,lx -r /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.thinltonewpm1.bc,use_local,plx -r /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.thinltonewpm1.bc,w, -r /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.thinltonewpm2.bc,use,plx -r /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp.thinltonewpm2.bc,z,
# executed command: /usr/local/google/home/thakis/src/llvm-project/out/gn/bin/FileCheck /usr/local/google/home/thakis/src/llvm-project/clang/test/Driver/memtag-stack_lto.c --allow-empty
# RUN: at line 33
rm -f /usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp*
# executed command: rm -f '/usr/local/google/home/thakis/src/llvm-project/out/gn/obj/clang/test/Driver/Output/memtag-stack_lto.c.tmp*'
# RUN: at line 36
/usr/local/google/home/thakis/src/llvm-project/out/gn/bin/clang -O0 --target=aarch64-unknown-linux -march=armv8+memtag -fsanitize=memtag-stack -mllvm -stack-safety-print /usr/local/google/home/thakis/src/llvm-project/clang/test/Driver/memtag-stack_lto.c -S -o - 2>&1 | /usr/local/google/home/thakis/src/llvm-project/out/gn/bin/FileCheck /usr/local/google/home/thakis/src/llvm-project/clang/test/Driver/memtag-stack_lto.c
# executed command: /usr/local/google/home/thakis/src/llvm-project/out/gn/bin/clang -O0 --target=aarch64-unknown-linux -march=armv8+memtag -fsanitize=memtag-stack -mllvm -stack-safety-print /usr/local/google/home/thakis/src/llvm-project/clang/test/Driver/memtag-stack_lto.c -S -o -
# note: command had no output on stdout or stderr
# error: command failed with exit status: -6
# executed command: /usr/local/google/home/thakis/src/llvm-project/out/gn/bin/FileCheck /usr/local/google/home/thakis/src/llvm-project/clang/test/Driver/memtag-stack_lto.c

--

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.. 
********************
Failed Tests (1):
  Clang :: Driver/memtag-stack_lto.c


Testing Time: 164.38s

Total Discovered Tests: 51723
  Skipped          :    28 (0.05%)
  Unsupported      :   929 (1.80%)
  Passed           : 50737 (98.09%)
  Expectedly Failed:    28 (0.05%)
  Failed           :     1 (0.00%)
FAILED: gen/clang/test/run-lit 
python3 bin/llvm-lit -sv ../../clang/test
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn', 'check-clang']' returned non-zero exit status 1.