ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/593] ACTION //llvm/tools/llvm-exegesis/lib/RISCV:RISCVGenExegesis(//llvm/utils/gn/build/toolchain:unix)
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[6/476] AR lib/libLLVMWebAssemblyCodeGen.a
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[18/476] CXX obj/llvm/unittests/Target/WebAssembly/WebAssemblyTests.WebAssemblyExceptionInfoTest.o
FAILED: obj/llvm/unittests/Target/WebAssembly/WebAssemblyTests.WebAssemblyExceptionInfoTest.o 
../../../chrome/src/third_party/llvm-build/Release+Asserts/bin/clang++ -MMD -MF obj/llvm/unittests/Target/WebAssembly/WebAssemblyTests.WebAssemblyExceptionInfoTest.o.d -o obj/llvm/unittests/Target/WebAssembly/WebAssemblyTests.WebAssemblyExceptionInfoTest.o -c ../../llvm/unittests/Target/WebAssembly/WebAssemblyExceptionInfoTest.cpp -DGTEST_HAS_RTTI=0 -I../../llvm/lib/Target/WebAssembly -I../../llvm/include -Igen/llvm/include -Igen/llvm/include/llvm/IR -I. -Igen/llvm/lib/Target/WebAssembly/MCTargetDesc -Igen/llvm/lib/Target/WebAssembly/TargetInfo -I../../third-party/unittest/googlemock/include -I../../third-party/unittest/googletest/include -O3 -fdiagnostics-color -Wall -Wextra -Wno-unused-parameter -Wdelete-non-virtual-dtor -Wstring-conversion -no-canonical-prefixes -Werror=date-time -fdebug-compilation-dir=. --sysroot=../../sysroot -Wpoison-system-directories -fPIC -Wcovered-switch-default -std=c++17 -fvisibility-inlines-hidden -fno-exceptions -fno-rtti
In file included from ../../llvm/unittests/Target/WebAssembly/WebAssemblyExceptionInfoTest.cpp:9:
In file included from ../../llvm/lib/Target/WebAssembly/WebAssemblyExceptionInfo.h:17:
In file included from ../../llvm/lib/Target/WebAssembly/WebAssembly.h:18:
../../llvm/lib/Target/WebAssembly/GISel/WebAssemblyRegisterBankInfo.h:20:10: fatal error: 'WebAssemblyGenRegisterBank.inc' file not found
   20 | #include "WebAssemblyGenRegisterBank.inc"
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
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ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.