[clang] [clang-tools-extra] [clang] Avoid re-evaluating field bitwidth (PR #117732)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `lldb-x86_64-debian` running on `lldb-x86_64-debian` while building `clang-tools-extra,clang` at step 6 "test".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/162/builds/13647

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

```
Step 6 (test) failure: build (failure)
...
14.724 [1/2/71] Linking CXX executable tools/lldb/unittests/SymbolFile/DWARF/SymbolFileDWARFTests
16.219 [1/1/72] Linking CXX executable bin/lldb-test
16.219 [0/1/72] Running lldb lit test suite
llvm-lit: /home/worker/2.0.1/lldb-x86_64-debian/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using clang: /home/worker/2.0.1/lldb-x86_64-debian/build/bin/clang
llvm-lit: /home/worker/2.0.1/lldb-x86_64-debian/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld.lld: /home/worker/2.0.1/lldb-x86_64-debian/build/bin/ld.lld
llvm-lit: /home/worker/2.0.1/lldb-x86_64-debian/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/worker/2.0.1/lldb-x86_64-debian/build/bin/lld-link
llvm-lit: /home/worker/2.0.1/lldb-x86_64-debian/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/worker/2.0.1/lldb-x86_64-debian/build/bin/ld64.lld
llvm-lit: /home/worker/2.0.1/lldb-x86_64-debian/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/worker/2.0.1/lldb-x86_64-debian/build/bin/wasm-ld
-- Testing: 2738 tests, 72 workers --
UNRESOLVED: lldb-api :: functionalities/gdb_remote_client/TestXMLRegisterFlags.py (1 of 2738)
******************** TEST 'lldb-api :: functionalities/gdb_remote_client/TestXMLRegisterFlags.py' FAILED ********************
Script:
--
/usr/bin/python3 /home/worker/2.0.1/lldb-x86_64-debian/llvm-project/lldb/test/API/dotest.py -u CXXFLAGS -u CFLAGS --env LLVM_LIBS_DIR=/home/worker/2.0.1/lldb-x86_64-debian/build/./lib --env LLVM_INCLUDE_DIR=/home/worker/2.0.1/lldb-x86_64-debian/build/include --env LLVM_TOOLS_DIR=/home/worker/2.0.1/lldb-x86_64-debian/build/./bin --arch x86_64 --build-dir /home/worker/2.0.1/lldb-x86_64-debian/build/lldb-test-build.noindex --lldb-module-cache-dir /home/worker/2.0.1/lldb-x86_64-debian/build/lldb-test-build.noindex/module-cache-lldb/lldb-api --clang-module-cache-dir /home/worker/2.0.1/lldb-x86_64-debian/build/lldb-test-build.noindex/module-cache-clang/lldb-api --executable /home/worker/2.0.1/lldb-x86_64-debian/build/./bin/lldb --compiler /home/worker/2.0.1/lldb-x86_64-debian/build/./bin/clang --dsymutil /home/worker/2.0.1/lldb-x86_64-debian/build/./bin/dsymutil --make /usr/bin/gmake --llvm-tools-dir /home/worker/2.0.1/lldb-x86_64-debian/build/./bin --lldb-obj-root /home/worker/2.0.1/lldb-x86_64-debian/build/tools/lldb --lldb-libs-dir /home/worker/2.0.1/lldb-x86_64-debian/build/./lib -t /home/worker/2.0.1/lldb-x86_64-debian/llvm-project/lldb/test/API/functionalities/gdb_remote_client -p TestXMLRegisterFlags.py
--
Exit Code: -6

Command Output (stdout):
--
lldb version 20.0.0git (https://github.com/llvm/llvm-project.git revision 81fc3add1e627c23b7270fe2739cdacc09063e54)
  clang revision 81fc3add1e627c23b7270fe2739cdacc09063e54
  llvm revision 81fc3add1e627c23b7270fe2739cdacc09063e54
python3          ProcessGDBRemote::ConnectToDebugserver Connecting to connect://[::1]:34261
python3          <   1> send packet: +
python3          history[1] tid=0x3c26c <   1> send packet: +
python3          <  19> send packet: $QStartNoAckMode#b0
python3          <   1> read packet: +
python3          <   6> read packet: $OK#9a
python3          <   1> send packet: +
python3          < 104> send packet: $qSupported:xmlRegisters=i386,arm,mips,arc;multiprocess+;fork-events+;vfork-events+;swbreak+;hwbreak+#cd
python3          <  57> read packet: $qXfer:features:read+;PacketSize=3fff;QStartNoAckMode+#86
python3          <  26> send packet: $QThreadSuffixSupported#e4
python3          <   4> read packet: $#00
python3          <  27> send packet: $QListThreadsInStopReply#21
python3          <   4> read packet: $#00
python3          <  13> send packet: $qHostInfo#9b
python3          <  28> read packet: $ptrsize:8;endian:little;#30
python3          <  10> send packet: $vCont?#49
python3          <   4> read packet: $#00
python3          <  27> send packet: $qVAttachOrWaitSupported#38
python3          <   4> read packet: $#00
python3          <  23> send packet: $QEnableErrorStrings#8c
python3          <   6> read packet: $OK#9a
python3          ProcessGDBRemote::StartAsyncThread ()
python3          <  16> send packet: $qProcessInfo#dc
b-remote.async>  ProcessGDBRemote::AsyncThread(pid = 0) thread starting...
b-remote.async>  ProcessGDBRemote::AsyncThread(pid = 0) listener.WaitForEvent (NULL, event_sp)...
python3          <   4> read packet: $#00
python3          <   6> send packet: $qC#b4

```

</details>

https://github.com/llvm/llvm-project/pull/117732