[lldb] [llvm] [dsymutil] Avoid copying binary swiftmodules built from textual (PR #134719)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-nvptx-nvidia-ubuntu` running on `as-builder-7` while building `lldb,llvm` at step 5 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/180/builds/15954

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

```
Step 5 (build-unified-tree) failure: build (failure)
...
50.553 [1/9/2717] Linking CXX executable bin/llvm-lto
50.566 [1/8/2718] Creating library symlink lib/libLTO.so
50.953 [1/7/2719] Building CXX object tools/dsymutil/CMakeFiles/dsymutil.dir/RelocationMap.cpp.o
51.197 [1/6/2720] Building CXX object tools/dsymutil/CMakeFiles/dsymutil.dir/SwiftModule.cpp.o
53.055 [1/5/2721] Building CXX object tools/dsymutil/CMakeFiles/dsymutil.dir/DebugMap.cpp.o
53.523 [1/4/2722] Building CXX object tools/dsymutil/CMakeFiles/dsymutil.dir/MachODebugMapParser.cpp.o
57.117 [1/3/2723] Building CXX object tools/dsymutil/CMakeFiles/dsymutil.dir/MachOUtils.cpp.o
59.472 [1/2/2724] Building CXX object tools/dsymutil/CMakeFiles/dsymutil.dir/dsymutil.cpp.o
60.130 [1/1/2725] Building CXX object tools/dsymutil/CMakeFiles/dsymutil.dir/DwarfLinkerForBinary.cpp.o
60.253 [0/1/2726] Linking CXX executable bin/dsymutil
FAILED: bin/dsymutil 
: && /usr/bin/c++ -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wno-missing-field-initializers -pedantic -Wno-long-long -Wimplicit-fallthrough -Wno-uninitialized -Wno-nonnull -Wno-class-memaccess -Wno-redundant-move -Wno-pessimizing-move -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wsuggest-override -Wno-comment -Wno-misleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -fuse-ld=gold     -Wl,--gc-sections tools/dsymutil/CMakeFiles/dsymutil.dir/dsymutil.cpp.o tools/dsymutil/CMakeFiles/dsymutil.dir/BinaryHolder.cpp.o tools/dsymutil/CMakeFiles/dsymutil.dir/CFBundle.cpp.o tools/dsymutil/CMakeFiles/dsymutil.dir/DebugMap.cpp.o tools/dsymutil/CMakeFiles/dsymutil.dir/DwarfLinkerForBinary.cpp.o tools/dsymutil/CMakeFiles/dsymutil.dir/MachODebugMapParser.cpp.o tools/dsymutil/CMakeFiles/dsymutil.dir/MachOUtils.cpp.o tools/dsymutil/CMakeFiles/dsymutil.dir/Reproducer.cpp.o tools/dsymutil/CMakeFiles/dsymutil.dir/RelocationMap.cpp.o tools/dsymutil/CMakeFiles/dsymutil.dir/SwiftModule.cpp.o tools/dsymutil/CMakeFiles/dsymutil.dir/dsymutil-driver.cpp.o -o bin/dsymutil  -Wl,-rpath,"\$ORIGIN/../lib:/home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx-nvidia-ubuntu/build/lib:"  lib/libLLVMX86CodeGen.so.21.0git  lib/libLLVMNVPTXCodeGen.so.21.0git  lib/libLLVMX86Desc.so.21.0git  lib/libLLVMNVPTXDesc.so.21.0git  lib/libLLVMX86Info.so.21.0git  lib/libLLVMNVPTXInfo.so.21.0git  lib/libLLVMDWARFLinkerClassic.so.21.0git  lib/libLLVMDWARFLinkerParallel.so.21.0git  lib/libLLVMOption.so.21.0git  lib/libLLVMAsmPrinter.so.21.0git  lib/libLLVMDWARFLinker.so.21.0git  lib/libLLVMCodeGen.so.21.0git  lib/libLLVMCodeGenTypes.so.21.0git  lib/libLLVMTarget.so.21.0git  lib/libLLVMDebugInfoDWARF.so.21.0git  lib/libLLVMObject.so.21.0git  lib/libLLVMMC.so.21.0git  lib/libLLVMRemarks.so.21.0git  lib/libLLVMTargetParser.so.21.0git  lib/libLLVMSupport.so.21.0git  -Wl,-rpath-link,/home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx-nvidia-ubuntu/build/lib && :
tools/dsymutil/CMakeFiles/dsymutil.dir/SwiftModule.cpp.o:SwiftModule.cpp:function llvm::BitstreamCursor::advance(unsigned int): error: undefined reference to 'llvm::BitstreamCursor::ReadAbbrevRecord()'
tools/dsymutil/CMakeFiles/dsymutil.dir/SwiftModule.cpp.o:SwiftModule.cpp:function (anonymous namespace)::enterTopLevelModuleBlock(llvm::BitstreamCursor&, unsigned int) [clone .constprop.0]: error: undefined reference to 'llvm::BitstreamCursor::EnterSubBlock(unsigned int, unsigned int*)'
tools/dsymutil/CMakeFiles/dsymutil.dir/SwiftModule.cpp.o:SwiftModule.cpp:function IsBuiltFromSwiftInterface(llvm::StringRef): error: undefined reference to 'llvm::BitstreamCursor::EnterSubBlock(unsigned int, unsigned int*)'
tools/dsymutil/CMakeFiles/dsymutil.dir/SwiftModule.cpp.o:SwiftModule.cpp:function IsBuiltFromSwiftInterface(llvm::StringRef): error: undefined reference to 'llvm::BitstreamCursor::readRecord(unsigned int, llvm::SmallVectorImpl<unsigned long>&, llvm::StringRef*)'
tools/dsymutil/CMakeFiles/dsymutil.dir/SwiftModule.cpp.o:SwiftModule.cpp:function IsBuiltFromSwiftInterface(llvm::StringRef): error: undefined reference to 'llvm::BitstreamCursor::EnterSubBlock(unsigned int, unsigned int*)'
tools/dsymutil/CMakeFiles/dsymutil.dir/SwiftModule.cpp.o:SwiftModule.cpp:function IsBuiltFromSwiftInterface(llvm::StringRef): error: undefined reference to 'llvm::BitstreamCursor::readRecord(unsigned int, llvm::SmallVectorImpl<unsigned long>&, llvm::StringRef*)'
collect2: error: ld returned 1 exit status
ninja: build stopped: subcommand failed.

```

</details>

https://github.com/llvm/llvm-project/pull/134719