[clang] [OffloadBundler] Compress bundles over 4GB (PR #122307)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-clang-win-x-aarch64` running on `as-builder-2` while building `clang` at step 10 "test-check-clang".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/193/builds/5054

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

```
Step 10 (test-check-clang) failure: Test just built components: check-clang completed (failure)
******************** TEST 'Clang :: Driver/clang-offload-bundler-zlib.c' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 7
c:\buildbot\as-builder-2\x-aarch64\build\bin\clang.exe -O0 -target aarch64-unknown-linux-gnu C:\buildbot\as-builder-2\x-aarch64\llvm-project\clang\test\Driver\clang-offload-bundler-zlib.c -c -emit-llvm -o C:\buildbot\as-builder-2\x-aarch64\build\tools\clang\test\Driver\Output\clang-offload-bundler-zlib.c.tmp.bc
# executed command: 'c:\buildbot\as-builder-2\x-aarch64\build\bin\clang.exe' -O0 -target aarch64-unknown-linux-gnu 'C:\buildbot\as-builder-2\x-aarch64\llvm-project\clang\test\Driver\clang-offload-bundler-zlib.c' -c -emit-llvm -o 'C:\buildbot\as-builder-2\x-aarch64\build\tools\clang\test\Driver\Output\clang-offload-bundler-zlib.c.tmp.bc'
# RUN: at line 12
touch C:\buildbot\as-builder-2\x-aarch64\build\tools\clang\test\Driver\Output\clang-offload-bundler-zlib.c.tmp.empty
# executed command: touch 'C:\buildbot\as-builder-2\x-aarch64\build\tools\clang\test\Driver\Output\clang-offload-bundler-zlib.c.tmp.empty'
# RUN: at line 17
echo 'Content of device file 1' > C:\buildbot\as-builder-2\x-aarch64\build\tools\clang\test\Driver\Output\clang-offload-bundler-zlib.c.tmp.tgt1
# executed command: echo 'Content of device file 1'
# RUN: at line 18
echo 'Content of device file 2' > C:\buildbot\as-builder-2\x-aarch64\build\tools\clang\test\Driver\Output\clang-offload-bundler-zlib.c.tmp.tgt2
# executed command: 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=C:\buildbot\as-builder-2\x-aarch64\build\tools\clang\test\Driver\Output\clang-offload-bundler-zlib.c.tmp.tgt1 -input=C:\buildbot\as-builder-2\x-aarch64\build\tools\clang\test\Driver\Output\clang-offload-bundler-zlib.c.tmp.tgt2 -output=C:\buildbot\as-builder-2\x-aarch64\build\tools\clang\test\Driver\Output\clang-offload-bundler-zlib.c.tmp.hip.bundle.bc 2>&1 |    c:\buildbot\as-builder-2\x-aarch64\build\bin\filecheck.exe -check-prefix=COMPRESS C:\buildbot\as-builder-2\x-aarch64\llvm-project\clang\test\Driver\clang-offload-bundler-zlib.c
# executed command: 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=C:\buildbot\as-builder-2\x-aarch64\build\tools\clang\test\Driver\Output\clang-offload-bundler-zlib.c.tmp.tgt1' '-input=C:\buildbot\as-builder-2\x-aarch64\build\tools\clang\test\Driver\Output\clang-offload-bundler-zlib.c.tmp.tgt2' '-output=C:\buildbot\as-builder-2\x-aarch64\build\tools\clang\test\Driver\Output\clang-offload-bundler-zlib.c.tmp.hip.bundle.bc'
# executed command: 'c:\buildbot\as-builder-2\x-aarch64\build\bin\filecheck.exe' -check-prefix=COMPRESS 'C:\buildbot\as-builder-2\x-aarch64\llvm-project\clang\test\Driver\clang-offload-bundler-zlib.c'
# .---command stderr------------
# | C:\buildbot\as-builder-2\x-aarch64\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: C:\buildbot\as-builder-2\x-aarch64\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 
# |             4: Compression level: 6 
# | 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     ~~~~~~~~~~~~~~~~~~~~~~~
...

```

</details>

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