[llvm-bugs] [Bug 41436] New: Cannot build llvm-xray with Clang-9 using LTO

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=41436

            Bug ID: 41436
           Summary: Cannot build llvm-xray with Clang-9 using LTO
           Product: XRay
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Clang
          Assignee: dberris at google.com
          Reporter: mike at fireburn.co.uk
                CC: llvm-bugs at lists.llvm.org

Created attachment 21754
  --> https://bugs.llvm.org/attachment.cgi?id=21754&action=edit
Complete build log

FAILED: bin/llvm-xray 
: && /usr/lib/llvm/9/bin/clang++ -m32  -O3 -pipe -flto=thin -march=native -fPIC
-fvisibility-inlines-hidden -Werror=date-time
-Werror=unguarded-availability-new -std=c++11 -Wall -Wextra
-Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers
-pedantic -Wno-long-long -Wimplicit-fallthrough -Wcovered-switch-default
-Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor
-Wstring-conversion -fdiagnostics-color -ffunction-sections -fdata-sections 
-O3 -pipe -flto=thin -march=native -Wl,-allow-shlib-undefined     -Wl,-O3
-Wl,--gc-sections tools/llvm-xray/CMakeFiles/llvm-xray.dir/func-id-helper.cpp.o
tools/llvm-xray/CMakeFiles/llvm-xray.dir/llvm-xray.cpp.o
tools/llvm-xray/CMakeFiles/llvm-xray.dir/xray-account.cpp.o
tools/llvm-xray/CMakeFiles/llvm-xray.dir/xray-color-helper.cpp.o
tools/llvm-xray/CMakeFiles/llvm-xray.dir/xray-converter.cpp.o
tools/llvm-xray/CMakeFiles/llvm-xray.dir/xray-extract.cpp.o
tools/llvm-xray/CMakeFiles/llvm-xray.dir/xray-fdr-dump.cpp.o
tools/llvm-xray/CMakeFiles/llvm-xray.dir/xray-graph-diff.cpp.o
tools/llvm-xray/CMakeFiles/llvm-xray.dir/xray-graph.cpp.o
tools/llvm-xray/CMakeFiles/llvm-xray.dir/xray-registry.cpp.o
tools/llvm-xray/CMakeFiles/llvm-xray.dir/xray-stacks.cpp.o  -o bin/llvm-xray 
-Wl,-rpath,"\$ORIGIN/../lib" lib/libLLVMAMDGPUCodeGen.so.9svn
lib/libLLVMAMDGPUAsmParser.so.9svn lib/libLLVMAMDGPUAsmPrinter.so.9svn
lib/libLLVMAMDGPUDesc.so.9svn lib/libLLVMAMDGPUDisassembler.so.9svn
lib/libLLVMAMDGPUInfo.so.9svn lib/libLLVMAMDGPUUtils.so.9svn
lib/libLLVMX86CodeGen.so.9svn lib/libLLVMX86AsmParser.so.9svn
lib/libLLVMX86AsmPrinter.so.9svn lib/libLLVMX86Desc.so.9svn
lib/libLLVMX86Disassembler.so.9svn lib/libLLVMX86Info.so.9svn
lib/libLLVMX86Utils.so.9svn lib/libLLVMDebugInfoDWARF.so.9svn
lib/libLLVMObject.so.9svn lib/libLLVMSupport.so.9svn
lib/libLLVMSymbolize.so.9svn lib/libLLVMXRay.so.9svn -lpthread && :
LLVM ERROR: Cannot emit physreg copy instruction
clang-9: error: linker command failed with exit code 1 (use -v to see
invocation)
ninja: build stopped: subcommand failed.

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