[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 `llvm-x86_64-debian-dylib` running on `gribozavr4` while building `llvm` at step 5 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/60/builds/1896

Here is the relevant piece of the build log for the reference:
```
Step 5 (build-unified-tree) failure: build (failure)
...
5.875 [5400/96/1410] Building RISCVGenDisassemblerTables.inc...
6.132 [5399/96/1411] Building X86GenMnemonicTables.inc...
6.139 [5398/96/1412] Building X86GenAsmWriter.inc...
6.184 [5397/96/1413] Building X86GenInstrMapping.inc...
6.199 [5396/96/1414] Building X86GenAsmWriter1.inc...
6.448 [5395/96/1415] Building X86GenDisassemblerTables.inc...
6.664 [5394/96/1416] Building X86GenAsmMatcher.inc...
6.761 [5393/96/1417] Building X86GenFastISel.inc...
6.799 [5392/96/1418] Building X86GenFoldTables.inc...
6.821 [5391/96/1419] Building CXX object lib/IR/CMakeFiles/LLVMCore.dir/ConstantRangeList.cpp.o
FAILED: lib/IR/CMakeFiles/LLVMCore.dir/ConstantRangeList.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes /usr/bin/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/b/1/llvm-x86_64-debian-dylib/build/lib/IR -I/b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/lib/IR -I/b/1/llvm-x86_64-debian-dylib/build/include -I/b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/include -fPIC -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 -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/ConstantRangeList.cpp.o -MF lib/IR/CMakeFiles/LLVMCore.dir/ConstantRangeList.cpp.o.d -o lib/IR/CMakeFiles/LLVMCore.dir/ConstantRangeList.cpp.o -c /b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/lib/IR/ConstantRangeList.cpp
In file included from /b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/lib/IR/ConstantRangeList.cpp:9:
In file included from /b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/include/llvm/IR/ConstantRangeList.h:20:
In file included from /b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/include/llvm/IR/ConstantRange.h:35:
In file included from /b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/include/llvm/IR/InstrTypes.h:28:
In file included from /b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/include/llvm/IR/Function.h:27:
In file included from /b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/include/llvm/IR/BasicBlock.h:23:
/b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/include/llvm/IR/DebugProgramInstruction.h:471:32: error: member access into incomplete type 'llvm::DILocalVariable'
    if (auto Sz = getVariable()->getSizeInBits())
                               ^
/b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/include/llvm/IR/Metadata.def:110:42: note: forward declaration of 'llvm::DILocalVariable'
HANDLE_SPECIALIZED_MDNODE_LEAF_UNIQUABLE(DILocalVariable)
                                         ^
1 error generated.
6.881 [5391/95/1420] Building CXX object lib/IR/CMakeFiles/LLVMCore.dir/Comdat.cpp.o
FAILED: lib/IR/CMakeFiles/LLVMCore.dir/Comdat.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes /usr/bin/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/b/1/llvm-x86_64-debian-dylib/build/lib/IR -I/b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/lib/IR -I/b/1/llvm-x86_64-debian-dylib/build/include -I/b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/include -fPIC -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 -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 /b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/lib/IR/Comdat.cpp
In file included from /b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/lib/IR/Comdat.cpp:19:
In file included from /b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/include/llvm/IR/Module.h:25:
In file included from /b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/include/llvm/IR/Function.h:27:
In file included from /b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/include/llvm/IR/BasicBlock.h:23:
/b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/include/llvm/IR/DebugProgramInstruction.h:471:32: error: member access into incomplete type 'llvm::DILocalVariable'
    if (auto Sz = getVariable()->getSizeInBits())
                               ^
/b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/include/llvm/IR/Metadata.def:110:42: note: forward declaration of 'llvm::DILocalVariable'
HANDLE_SPECIALIZED_MDNODE_LEAF_UNIQUABLE(DILocalVariable)
                                         ^
1 error generated.
6.952 [5391/94/1421] Building CXX object lib/IR/CMakeFiles/LLVMCore.dir/Assumptions.cpp.o
FAILED: lib/IR/CMakeFiles/LLVMCore.dir/Assumptions.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes /usr/bin/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/b/1/llvm-x86_64-debian-dylib/build/lib/IR -I/b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/lib/IR -I/b/1/llvm-x86_64-debian-dylib/build/include -I/b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/include -fPIC -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 -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 /b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/lib/IR/Assumptions.cpp
In file included from /b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/lib/IR/Assumptions.cpp:18:
In file included from /b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/include/llvm/IR/Function.h:27:
In file included from /b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/include/llvm/IR/BasicBlock.h:23:
/b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/include/llvm/IR/DebugProgramInstruction.h:471:32: error: member access into incomplete type 'llvm::DILocalVariable'
    if (auto Sz = getVariable()->getSizeInBits())
                               ^
/b/1/llvm-x86_64-debian-dylib/llvm-project/llvm/include/llvm/IR/Metadata.def:110:42: note: forward declaration of 'llvm::DILocalVariable'

```

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