shiltian wrote:
This PR introduced a new compile warning when compiling using clang. Please fix
it.
```
llvm-project/clang/lib/Driver/ToolChains/SYCL.cpp:35:10: warning: returning
address of local temporary object [-Wreturn-stack-address]
35 | return {
| ^
36 | options::OPT_fsanitize_EQ, // -fsanitize
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
37 | options::OPT_fcf_protection_EQ, // -fcf-protection
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
38 | options::OPT_fprofile_generate,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
39 | options::OPT_fprofile_generate_EQ,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
40 | options::OPT_fno_profile_generate, // -f[no-]profile-generate
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
41 | options::OPT_ftest_coverage,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
42 | options::OPT_fno_test_coverage, // -f[no-]test-coverage
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
43 | options::OPT_fcoverage_mapping,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
44 | options::OPT_fno_coverage_mapping, // -f[no-]coverage-mapping
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
45 | options::OPT_coverage, // --coverage
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
46 | options::OPT_fprofile_instr_generate,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
47 | options::OPT_fprofile_instr_generate_EQ,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
48 | options::OPT_fno_profile_instr_generate, //
-f[no-]profile-instr-generate
|
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
49 | options::OPT_fprofile_arcs,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~
50 | options::OPT_fno_profile_arcs, // -f[no-]profile-arcs
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from llvm-project/clang/lib/Driver/ToolChains/SYCL.cpp:8:
llvm-project/clang/lib/Driver/ToolChains/SYCL.h:27:17: warning: private field
'D' is not used [-Wunused-private-field]
27 | const Driver &D;
| ^
2 warnings generated.
```
https://github.com/llvm/llvm-project/pull/117268
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