[llvm] [NFC] Add fragment-getting functions to DbgRecord (PR #97705)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clangd-ubuntu-tsan` running on `clangd-ubuntu-clang` while building `llvm` at step 5 "build-clangd-clangd-index-server-clangd-indexer".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/134/builds/1321

Here is the relevant piece of the build log for the reference:
```
Step 5 (build-clangd-clangd-index-server-clangd-indexer) failure: build (failure)
...
20.196 [2338/18/719] Building CXX object lib/IR/CMakeFiles/LLVMCore.dir/BuiltinGCs.cpp.o
20.414 [2337/18/720] Building AArch64GenAsmWriter.inc...
20.464 [2336/18/721] Building AArch64GenDisassemblerTables.inc...
20.497 [2335/18/722] Building AArch64GenAsmWriter1.inc...
20.576 [2334/18/723] Building AArch64GenMCCodeEmitter.inc...
20.751 [2333/18/724] Building AArch64GenCallingConv.inc...
20.959 [2332/18/725] Building AArch64GenAsmMatcher.inc...
21.186 [2331/18/726] Building AArch64GenPostLegalizeGICombiner.inc...
21.795 [2330/18/727] Building AArch64GenFastISel.inc...
22.188 [2329/18/728] Building CXX object lib/IR/CMakeFiles/LLVMCore.dir/AbstractCallSite.cpp.o
FAILED: lib/IR/CMakeFiles/LLVMCore.dir/AbstractCallSite.cpp.o 
ccache /usr/bin/clang++ -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/lib/IR -I/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/lib/IR -I/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/include -I/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fno-omit-frame-pointer -gline-tables-only -fsanitize=thread -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -std=c++17 -MD -MT lib/IR/CMakeFiles/LLVMCore.dir/AbstractCallSite.cpp.o -MF lib/IR/CMakeFiles/LLVMCore.dir/AbstractCallSite.cpp.o.d -o lib/IR/CMakeFiles/LLVMCore.dir/AbstractCallSite.cpp.o -c /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/lib/IR/AbstractCallSite.cpp
In file included from /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/lib/IR/AbstractCallSite.cpp:17:
In file included from /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/include/llvm/IR/AbstractCallSite.h:17:
In file included from /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/include/llvm/IR/Constants.h:29:
In file included from /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/include/llvm/IR/ConstantRange.h:35:
In file included from /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/include/llvm/IR/InstrTypes.h:28:
In file included from /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/include/llvm/IR/Function.h:27:
In file included from /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/include/llvm/IR/BasicBlock.h:23:
/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/include/llvm/IR/DebugProgramInstruction.h:471:32: error: member access into incomplete type 'DILocalVariable'
  471 |     if (auto Sz = getVariable()->getSizeInBits())
      |                                ^
/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/include/llvm/IR/Metadata.def:110:42: note: forward declaration of 'llvm::DILocalVariable'
  110 | HANDLE_SPECIALIZED_MDNODE_LEAF_UNIQUABLE(DILocalVariable)
      |                                          ^
1 error generated.
22.449 [2329/17/729] Building AArch64GenGlobalISel.inc...
22.692 [2329/16/730] Building CXX object lib/IR/CMakeFiles/LLVMCore.dir/Assumptions.cpp.o
FAILED: lib/IR/CMakeFiles/LLVMCore.dir/Assumptions.cpp.o 
ccache /usr/bin/clang++ -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/lib/IR -I/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/lib/IR -I/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/include -I/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fno-omit-frame-pointer -gline-tables-only -fsanitize=thread -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -std=c++17 -MD -MT lib/IR/CMakeFiles/LLVMCore.dir/Assumptions.cpp.o -MF lib/IR/CMakeFiles/LLVMCore.dir/Assumptions.cpp.o.d -o lib/IR/CMakeFiles/LLVMCore.dir/Assumptions.cpp.o -c /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/lib/IR/Assumptions.cpp
In file included from /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/lib/IR/Assumptions.cpp:18:
In file included from /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/include/llvm/IR/Function.h:27:
In file included from /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/include/llvm/IR/BasicBlock.h:23:
/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/include/llvm/IR/DebugProgramInstruction.h:471:32: error: member access into incomplete type 'DILocalVariable'
  471 |     if (auto Sz = getVariable()->getSizeInBits())
      |                                ^
/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/include/llvm/IR/Metadata.def:110:42: note: forward declaration of 'llvm::DILocalVariable'
  110 | HANDLE_SPECIALIZED_MDNODE_LEAF_UNIQUABLE(DILocalVariable)
      |                                          ^
1 error generated.
22.802 [2329/15/731] Building CXX object lib/IR/CMakeFiles/LLVMCore.dir/Comdat.cpp.o
FAILED: lib/IR/CMakeFiles/LLVMCore.dir/Comdat.cpp.o 
ccache /usr/bin/clang++ -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/lib/IR -I/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/lib/IR -I/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/build/include -I/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fno-omit-frame-pointer -gline-tables-only -fsanitize=thread -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -std=c++17 -MD -MT lib/IR/CMakeFiles/LLVMCore.dir/Comdat.cpp.o -MF lib/IR/CMakeFiles/LLVMCore.dir/Comdat.cpp.o.d -o lib/IR/CMakeFiles/LLVMCore.dir/Comdat.cpp.o -c /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/lib/IR/Comdat.cpp
In file included from /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/lib/IR/Comdat.cpp:19:
In file included from /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/include/llvm/IR/Module.h:25:
In file included from /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/include/llvm/IR/Function.h:27:
In file included from /vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/include/llvm/IR/BasicBlock.h:23:
/vol/worker/clangd-ubuntu-clang/clangd-ubuntu-tsan/llvm-project/llvm/include/llvm/IR/DebugProgramInstruction.h:471:32: error: member access into incomplete type 'DILocalVariable'
  471 |     if (auto Sz = getVariable()->getSizeInBits())

```

https://github.com/llvm/llvm-project/pull/97705