[clang] [WIP] [clang][DebugInfo] Use mangling number and scope to create unambiguous names for anonymous structures (PR #168533)

[via cfe-commits]

github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Windows-->
# :window: Windows x64 Test Results

* 49498 tests passed
* 930 tests skipped

All executed tests passed, but another part of the build **failed**. Click on a failure below to see the details.

<details>
<summary>[code=1] tools/clang/tools/extra/clangd/CMakeFiles/obj.clangDaemon.dir/AST.cpp.obj</summary>

```
FAILED: [code=1] tools/clang/tools/extra/clangd/CMakeFiles/obj.clangDaemon.dir/AST.cpp.obj
sccache C:\clang\clang-msvc\bin\clang-cl.exe  /nologo -TP -DCLANG_BUILD_STATIC -DUNICODE -D_CRT_NONSTDC_NO_DEPRECATE -D_CRT_NONSTDC_NO_WARNINGS -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS -D_GLIBCXX_ASSERTIONS -D_HAS_EXCEPTIONS=0 -D_SCL_SECURE_NO_DEPRECATE -D_SCL_SECURE_NO_WARNINGS -D_UNICODE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Itools\clang\tools\extra\clangd -IC:\_work\llvm-project\llvm-project\clang-tools-extra\clangd -IC:\_work\llvm-project\llvm-project\clang-tools-extra\clangd\..\include-cleaner\include -Itools\clang\tools\extra\clangd\..\clang-tidy -IC:\_work\llvm-project\llvm-project\clang\include -Itools\clang\include -Iinclude -IC:\_work\llvm-project\llvm-project\llvm\include /DWIN32 /D_WINDOWS   /Zc:inline /Zc:__cplusplus /Oi /Brepro /bigobj /permissive- -Werror=unguarded-availability-new /W4  -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported /Gw /O2 /Ob2  -MD -UNDEBUG /EHs-c- /GR- -std:c++17 /showIncludes /Fotools\clang\tools\extra\clangd\CMakeFiles\obj.clangDaemon.dir\AST.cpp.obj /Fdtools\clang\tools\extra\clangd\CMakeFiles\obj.clangDaemon.dir\ -c -- C:\_work\llvm-project\llvm-project\clang-tools-extra\clangd\AST.cpp
C:\_work\llvm-project\llvm-project\clang-tools-extra\clangd\AST.cpp(218,10): error: no member named 'AnonymousTagLocations' in 'clang::PrintingPolicy'
218 |   Policy.AnonymousTagLocations = false;
|   ~~~~~~ ^
1 error generated.
```
</details>
<details>
<summary>[code=1] tools/clang/tools/extra/clangd/CMakeFiles/obj.clangDaemon.dir/FindSymbols.cpp.obj</summary>

```
FAILED: [code=1] tools/clang/tools/extra/clangd/CMakeFiles/obj.clangDaemon.dir/FindSymbols.cpp.obj
sccache C:\clang\clang-msvc\bin\clang-cl.exe  /nologo -TP -DCLANG_BUILD_STATIC -DUNICODE -D_CRT_NONSTDC_NO_DEPRECATE -D_CRT_NONSTDC_NO_WARNINGS -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS -D_GLIBCXX_ASSERTIONS -D_HAS_EXCEPTIONS=0 -D_SCL_SECURE_NO_DEPRECATE -D_SCL_SECURE_NO_WARNINGS -D_UNICODE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Itools\clang\tools\extra\clangd -IC:\_work\llvm-project\llvm-project\clang-tools-extra\clangd -IC:\_work\llvm-project\llvm-project\clang-tools-extra\clangd\..\include-cleaner\include -Itools\clang\tools\extra\clangd\..\clang-tidy -IC:\_work\llvm-project\llvm-project\clang\include -Itools\clang\include -Iinclude -IC:\_work\llvm-project\llvm-project\llvm\include /DWIN32 /D_WINDOWS   /Zc:inline /Zc:__cplusplus /Oi /Brepro /bigobj /permissive- -Werror=unguarded-availability-new /W4  -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported /Gw /O2 /Ob2  -MD -UNDEBUG /EHs-c- /GR- -std:c++17 /showIncludes /Fotools\clang\tools\extra\clangd\CMakeFiles\obj.clangDaemon.dir\FindSymbols.cpp.obj /Fdtools\clang\tools\extra\clangd\CMakeFiles\obj.clangDaemon.dir\ -c -- C:\_work\llvm-project\llvm-project\clang-tools-extra\clangd\FindSymbols.cpp
C:\_work\llvm-project\llvm-project\clang-tools-extra\clangd\FindSymbols.cpp(393,5): error: no member named 'AnonymousTagLocations' in 'clang::PrintingPolicy'
393 |   P.AnonymousTagLocations = false;
|   ~ ^
1 error generated.
```
</details>
<details>
<summary>[code=1] tools/clang/tools/extra/clangd/CMakeFiles/obj.clangDaemon.dir/Hover.cpp.obj</summary>

```
FAILED: [code=1] tools/clang/tools/extra/clangd/CMakeFiles/obj.clangDaemon.dir/Hover.cpp.obj
sccache C:\clang\clang-msvc\bin\clang-cl.exe  /nologo -TP -DCLANG_BUILD_STATIC -DUNICODE -D_CRT_NONSTDC_NO_DEPRECATE -D_CRT_NONSTDC_NO_WARNINGS -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS -D_GLIBCXX_ASSERTIONS -D_HAS_EXCEPTIONS=0 -D_SCL_SECURE_NO_DEPRECATE -D_SCL_SECURE_NO_WARNINGS -D_UNICODE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Itools\clang\tools\extra\clangd -IC:\_work\llvm-project\llvm-project\clang-tools-extra\clangd -IC:\_work\llvm-project\llvm-project\clang-tools-extra\clangd\..\include-cleaner\include -Itools\clang\tools\extra\clangd\..\clang-tidy -IC:\_work\llvm-project\llvm-project\clang\include -Itools\clang\include -Iinclude -IC:\_work\llvm-project\llvm-project\llvm\include /DWIN32 /D_WINDOWS   /Zc:inline /Zc:__cplusplus /Oi /Brepro /bigobj /permissive- -Werror=unguarded-availability-new /W4  -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported /Gw /O2 /Ob2  -MD -UNDEBUG /EHs-c- /GR- -std:c++17 /showIncludes /Fotools\clang\tools\extra\clangd\CMakeFiles\obj.clangDaemon.dir\Hover.cpp.obj /Fdtools\clang\tools\extra\clangd\CMakeFiles\obj.clangDaemon.dir\ -c -- C:\_work\llvm-project\llvm-project\clang-tools-extra\clangd\Hover.cpp
C:\_work\llvm-project\llvm-project\clang-tools-extra\clangd\Hover.cpp(73,8): error: no member named 'AnonymousTagLocations' in 'clang::PrintingPolicy'
73 |   Base.AnonymousTagLocations = false;
|   ~~~~ ^
1 error generated.
```
</details>
<details>
<summary>[code=1] tools/clang/tools/extra/clangd/CMakeFiles/obj.clangDaemon.dir/InlayHints.cpp.obj</summary>

```
FAILED: [code=1] tools/clang/tools/extra/clangd/CMakeFiles/obj.clangDaemon.dir/InlayHints.cpp.obj
sccache C:\clang\clang-msvc\bin\clang-cl.exe  /nologo -TP -DCLANG_BUILD_STATIC -DUNICODE -D_CRT_NONSTDC_NO_DEPRECATE -D_CRT_NONSTDC_NO_WARNINGS -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS -D_GLIBCXX_ASSERTIONS -D_HAS_EXCEPTIONS=0 -D_SCL_SECURE_NO_DEPRECATE -D_SCL_SECURE_NO_WARNINGS -D_UNICODE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Itools\clang\tools\extra\clangd -IC:\_work\llvm-project\llvm-project\clang-tools-extra\clangd -IC:\_work\llvm-project\llvm-project\clang-tools-extra\clangd\..\include-cleaner\include -Itools\clang\tools\extra\clangd\..\clang-tidy -IC:\_work\llvm-project\llvm-project\clang\include -Itools\clang\include -Iinclude -IC:\_work\llvm-project\llvm-project\llvm\include /DWIN32 /D_WINDOWS   /Zc:inline /Zc:__cplusplus /Oi /Brepro /bigobj /permissive- -Werror=unguarded-availability-new /W4  -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported /Gw /O2 /Ob2  -MD -UNDEBUG /EHs-c- /GR- -std:c++17 /showIncludes /Fotools\clang\tools\extra\clangd\CMakeFiles\obj.clangDaemon.dir\InlayHints.cpp.obj /Fdtools\clang\tools\extra\clangd\CMakeFiles\obj.clangDaemon.dir\ -c -- C:\_work\llvm-project\llvm-project\clang-tools-extra\clangd\InlayHints.cpp
C:\_work\llvm-project\llvm-project\clang-tools-extra\clangd\InlayHints.cpp(393,20): error: no member named 'AnonymousTagLocations' in 'clang::PrintingPolicy'
393 |     TypeHintPolicy.AnonymousTagLocations =
|     ~~~~~~~~~~~~~~ ^
1 error generated.
```
</details>

If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the `infrastructure` label.

https://github.com/llvm/llvm-project/pull/168533