llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder 
`llvm-clang-x86_64-gcc-ubuntu` running on `sie-linux-worker3` while building 
`clang` at step 6 "test-build-unified-tree-check-all".

Full details are available at: 
https://lab.llvm.org/buildbot/#/builders/174/builds/11719

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 6 (test-build-unified-tree-check-all) failure: test (failure)
******************** TEST 'Clang :: Driver/clang-offload-bundler-zlib.c' FAILED 
********************
Exit Code: 1

Command Output (stderr):
--
RUN: at line 7: 
/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/bin/clang -O0 
-target x86_64-unknown-linux-gnu 
/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/llvm-project/clang/test/Driver/clang-offload-bundler-zlib.c
 -c -emit-llvm -o 
/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/test/Driver/Output/clang-offload-bundler-zlib.c.tmp.bc
+ /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/bin/clang -O0 
-target x86_64-unknown-linux-gnu 
/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/llvm-project/clang/test/Driver/clang-offload-bundler-zlib.c
 -c -emit-llvm -o 
/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/test/Driver/Output/clang-offload-bundler-zlib.c.tmp.bc
RUN: at line 12: touch 
/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/test/Driver/Output/clang-offload-bundler-zlib.c.tmp.empty
+ touch 
/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/test/Driver/Output/clang-offload-bundler-zlib.c.tmp.empty
RUN: at line 17: echo 'Content of device file 1' > 
/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/test/Driver/Output/clang-offload-bundler-zlib.c.tmp.tgt1
+ echo 'Content of device file 1'
RUN: at line 18: echo 'Content of device file 2' > 
/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/test/Driver/Output/clang-offload-bundler-zlib.c.tmp.tgt2
+ echo 'Content of device file 2'
RUN: at line 23: env OFFLOAD_BUNDLER_COMPRESS=1 OFFLOAD_BUNDLER_VERBOSE=1    
clang-offload-bundler -type=bc 
-targets=hip-amdgcn-amd-amdhsa--gfx900,hip-amdgcn-amd-amdhsa--gfx906    
-input=/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/test/Driver/Output/clang-offload-bundler-zlib.c.tmp.tgt1
 
-input=/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/test/Driver/Output/clang-offload-bundler-zlib.c.tmp.tgt2
 
-output=/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/test/Driver/Output/clang-offload-bundler-zlib.c.tmp.hip.bundle.bc
 2>&1 |    
/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/bin/FileCheck 
-check-prefix=COMPRESS 
/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/llvm-project/clang/test/Driver/clang-offload-bundler-zlib.c
+ /home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/bin/FileCheck 
-check-prefix=COMPRESS 
/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/llvm-project/clang/test/Driver/clang-offload-bundler-zlib.c
+ env OFFLOAD_BUNDLER_COMPRESS=1 OFFLOAD_BUNDLER_VERBOSE=1 
clang-offload-bundler -type=bc 
-targets=hip-amdgcn-amd-amdhsa--gfx900,hip-amdgcn-amd-amdhsa--gfx906 
-input=/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/test/Driver/Output/clang-offload-bundler-zlib.c.tmp.tgt1
 
-input=/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/test/Driver/Output/clang-offload-bundler-zlib.c.tmp.tgt2
 
-output=/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/build/tools/clang/test/Driver/Output/clang-offload-bundler-zlib.c.tmp.hip.bundle.bc
/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/llvm-project/clang/test/Driver/clang-offload-bundler-zlib.c:59:14:
 error: COMPRESS: expected string not found in input
// COMPRESS: Compressed bundle format version: 3
             ^
<stdin>:4:21: note: scanning from here
Compression level: 6
                    ^
<stdin>:7:1: note: possible intended match here
Compression rate: 1.86
^

Input file: <stdin>
Check file: 
/home/buildbot/buildbot-root/llvm-clang-x86_64-gcc-ubuntu/llvm-project/clang/test/Driver/clang-offload-bundler-zlib.c

-dump-input=help explains the following input dump.

Input was:
<<<<<<
            1: Compressed bundle format 
version: 2 
            2: Total file size (including headers): 
125 bytes 
            3: Compression method used: 
zlib 
check:36       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            4: Compression level: 6 

check:37       ^~~~~~~~~~~~~~~~~~~~
check:59'0                         X error: no match found
            5: Binary size before compression: 
188 bytes 
check:59'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            6: Binary size after compression: 101 
bytes 
check:59'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
            7: Compression rate: 1.86 
check:59'0     ~~~~~~~~~~~~~~~~~~~~~~~
check:59'1     ?                       possible intended match
            8: Compression ratio: 53.72% 
check:59'0     ~~~~~~~~~~~~~~~~~~~~~~~~~~
            9: Compression speed: 1.49 MB/s 
...

```

</details>

https://github.com/llvm/llvm-project/pull/122307
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