[clang] [clang][bytecode] Ignore overflow in unary operators if requested (PR #132557)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `lldb-aarch64-ubuntu` running on `linaro-lldb-aarch64-ubuntu` while building `clang` at step 6 "test".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/59/builds/14754

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

```
Step 6 (test) failure: build (failure)
...
PASS: lldb-api :: lang/c/conflicting-symbol/TestConflictingSymbol.py (717 of 2109)
PASS: lldb-api :: lang/c/flexible-array-members/TestCFlexibleArrayMembers.py (718 of 2109)
UNSUPPORTED: lldb-api :: lang/c/full_lto_stepping/TestFullLtoStepping.py (719 of 2109)
PASS: lldb-api :: lang/c/enum_types/TestEnumTypes.py (720 of 2109)
XFAIL: lldb-api :: lang/c/local_types/TestUseClosestType.py (721 of 2109)
PASS: lldb-api :: lang/c/forward/TestForwardDeclaration.py (722 of 2109)
PASS: lldb-api :: lang/c/fpeval/TestFPEval.py (723 of 2109)
PASS: lldb-api :: lang/c/inlines/TestRedefinitionsInInlines.py (724 of 2109)
PASS: lldb-api :: lang/c/anonymous/TestAnonymous.py (725 of 2109)
PASS: lldb-api :: lang/c/function_types/TestFunctionTypes.py (726 of 2109)
FAIL: lldb-api :: lang/c/global_variables/TestGlobalVariables.py (727 of 2109)
******************** TEST 'lldb-api :: lang/c/global_variables/TestGlobalVariables.py' FAILED ********************
Script:
--
/usr/bin/python3.10 /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/llvm-project/lldb/test/API/dotest.py -u CXXFLAGS -u CFLAGS --env LLVM_LIBS_DIR=/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./lib --env LLVM_INCLUDE_DIR=/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/include --env LLVM_TOOLS_DIR=/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin --arch aarch64 --build-dir /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex --lldb-module-cache-dir /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex/module-cache-lldb/lldb-api --clang-module-cache-dir /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/lldb-test-build.noindex/module-cache-clang/lldb-api --executable /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin/lldb --compiler /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin/clang --dsymutil /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin/dsymutil --make /usr/bin/gmake --llvm-tools-dir /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./bin --lldb-obj-root /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/tools/lldb --lldb-libs-dir /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/./lib /home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/llvm-project/lldb/test/API/lang/c/global_variables -p TestGlobalVariables.py
--
Exit Code: -11

Command Output (stdout):
--
lldb version 21.0.0git (https://github.com/llvm/llvm-project.git revision db7475a770c360a42560aa01859d5dcbb808ade8)
  clang revision db7475a770c360a42560aa01859d5dcbb808ade8
  llvm revision db7475a770c360a42560aa01859d5dcbb808ade8
Skipping the following test categories: ['libc++', 'dsym', 'gmodules', 'debugserver', 'objc']

--
Command Output (stderr):
--
UNSUPPORTED: LLDB (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/clang-aarch64) :: test_c_global_variables_dsym (TestGlobalVariables.GlobalVariablesTestCase) (test case does not fall in any category of interest for this run) 
PASS: LLDB (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/clang-aarch64) :: test_c_global_variables_dwarf (TestGlobalVariables.GlobalVariablesTestCase)
PASS: LLDB (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/clang-aarch64) :: test_c_global_variables_dwo (TestGlobalVariables.GlobalVariablesTestCase)
UNSUPPORTED: LLDB (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/clang-aarch64) :: test_without_process_dsym (TestGlobalVariables.GlobalVariablesTestCase) (test case does not fall in any category of interest for this run) 
PASS: LLDB (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/clang-aarch64) :: test_without_process_dwarf (TestGlobalVariables.GlobalVariablesTestCase)
PASS: LLDB (/home/tcwg-buildbot/worker/lldb-aarch64-ubuntu/build/bin/clang-aarch64) :: test_without_process_dwo (TestGlobalVariables.GlobalVariablesTestCase)
----------------------------------------------------------------------
Ran 6 tests in 1.240s

OK (skipped=2)

--

********************
PASS: lldb-api :: lang/c/local_variables/TestLocalVariables.py (728 of 2109)
PASS: lldb-api :: lang/c/offsetof/TestOffsetof.py (729 of 2109)
PASS: lldb-api :: lang/c/parray_vrs_char_array/TestParrayVrsCharArrayChild.py (730 of 2109)
PASS: lldb-api :: lang/c/record_decl_in_expr/TestRecordDeclInExpr.py (731 of 2109)
XFAIL: lldb-api :: lang/c/modules/TestCModules.py (732 of 2109)
PASS: lldb-api :: lang/c/non-mangled/TestCNonMangled.py (733 of 2109)
PASS: lldb-api :: lang/c/sizeof/TestCSizeof.py (734 of 2109)

```

</details>

https://github.com/llvm/llvm-project/pull/132557