ninja: Entering directory `out/gn'
[0/1] ACTION //llvm/test:check-llvm(//llvm/utils/gn/build/toolchain:unix)
llvm-lit: /Users/thakis/src/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using ld.lld: /Users/thakis/src/llvm-project/out/gn/bin/ld.lld
llvm-lit: /Users/thakis/src/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using lld-link: /Users/thakis/src/llvm-project/out/gn/bin/lld-link
llvm-lit: /Users/thakis/src/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using ld64.lld: /Users/thakis/src/llvm-project/out/gn/bin/ld64.lld
llvm-lit: /Users/thakis/src/llvm-project/llvm/utils/lit/lit/llvm/config.py:530: note: using wasm-ld: /Users/thakis/src/llvm-project/out/gn/bin/wasm-ld
-- Testing: 59103 tests, 8 workers --
Testing: 
FAIL: LLVM :: MC/Disassembler/AArch64/armv8.4a-trace.txt (1 of 59103)
******************** TEST 'LLVM :: MC/Disassembler/AArch64/armv8.4a-trace.txt' FAILED ********************
Exit Code: 2

Command Output (stdout):
--
# RUN: at line 1
/Users/thakis/src/llvm-project/out/gn/bin/llvm-mc -triple aarch64-none-linux-gnu -mattr=+v8.4a --disassemble < /Users/thakis/src/llvm-project/llvm/test/MC/Disassembler/AArch64/armv8.4a-trace.txt | /Users/thakis/src/llvm-project/out/gn/bin/FileCheck /Users/thakis/src/llvm-project/llvm/test/MC/Disassembler/AArch64/armv8.4a-trace.txt
# executed command: /Users/thakis/src/llvm-project/out/gn/bin/llvm-mc -triple aarch64-none-linux-gnu -mattr=+v8.4a --disassemble
# .---command stderr------------
# | Assertion failed: (idx < size()), function operator[], file SmallVector.h, line 296.
# | PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and instructions to reproduce the bug.
# | Stack dump:
# | 0.	Program arguments: /Users/thakis/src/llvm-project/out/gn/bin/llvm-mc -triple aarch64-none-linux-gnu -mattr=+v8.4a --disassemble
# `-----------------------------
# error: command failed with exit status: -6
# executed command: /Users/thakis/src/llvm-project/out/gn/bin/FileCheck /Users/thakis/src/llvm-project/llvm/test/MC/Disassembler/AArch64/armv8.4a-trace.txt
# .---command stderr------------
# | FileCheck error: '<stdin>' is empty.
# | FileCheck command line:  /Users/thakis/src/llvm-project/out/gn/bin/FileCheck /Users/thakis/src/llvm-project/llvm/test/MC/Disassembler/AArch64/armv8.4a-trace.txt
# `-----------------------------
# error: command failed with exit status: 2

--

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
********************
Failed Tests (1):
  LLVM :: MC/Disassembler/AArch64/armv8.4a-trace.txt


Testing Time: 573.02s

Total Discovered Tests: 68995
  Skipped          :    33 (0.05%)
  Unsupported      :  2625 (3.80%)
  Passed           : 66165 (95.90%)
  Expectedly Failed:   171 (0.25%)
  Failed           :     1 (0.00%)
FAILED: gen/llvm/test/run-lit 
python3 bin/llvm-lit -sv ../../llvm/test
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn', 'check-llvm']' returned non-zero exit status 1.