ninja: Entering directory `out/gn'
[0/1] Regenerating ninja files
[1/31] CXX obj/clang-tools-extra/clang-doc/markdown/markdown.Markdown.o
FAILED: obj/clang-tools-extra/clang-doc/markdown/markdown.Markdown.o 
../../../chrome/src/third_party/llvm-build/Release+Asserts/bin/clang++ -MMD -MF obj/clang-tools-extra/clang-doc/markdown/markdown.Markdown.o.d -o obj/clang-tools-extra/clang-doc/markdown/markdown.Markdown.o -c ../../clang-tools-extra/clang-doc/markdown/Markdown.cpp  -I../../llvm/include -Igen/llvm/include -I../../clang/include -Igen/clang/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 -fno-strict-aliasing -std=c++17 -fvisibility-inlines-hidden -fno-exceptions -fno-rtti
clang++: error: no such file or directory: '../../clang-tools-extra/clang-doc/markdown/Markdown.cpp'
clang++: error: no input files
[2/31] AR lib/libc++experimental.a
[3/31] CXX stage2_unix/obj/libcxx/src/cxx_static.new_handler.o
[4/31] CXX stage2_unix/obj/libcxxabi/src/cxxabi_shared.cxa_default_handlers.o
[5/31] CXX stage2_unix/obj/libcxxabi/src/cxxabi_static.stdlib_stdexcept.o
[6/31] CXX stage2_unix/obj/libcxxabi/src/cxxabi_static.cxa_exception.o
[7/31] CXX stage2_unix/obj/libcxxabi/src/cxxabi_shared.cxa_exception.o
[8/31] CXX stage2_unix/obj/libcxx/src/cxx_static.stdexcept.o
[9/31] CXX stage2_unix/obj/libcxx/src/cxx_static.random.o
[10/31] CXX stage2_unix/obj/libcxx/src/filesystem/cxx_static.filesystem_error.o
[11/31] CXX stage2_unix/obj/libcxx/src/cxx_static.random_shuffle.o
[12/31] CXX stage2_unix/obj/libcxx/src/cxx_static.print.o
[13/31] CXX stage2_unix/obj/libcxx/src/cxx_static.strstream.o
[14/31] CXX stage2_unix/obj/libcxx/src/cxx_static.thread.o
[15/31] CXX stage2_unix/obj/libcxx/src/cxx_static.ostream.o
[16/31] CXX stage2_unix/obj/libcxx/src/cxx_static.regex.o
[17/31] CXX stage2_unix/obj/libcxx/src/filesystem/cxx_static.path.o
[18/31] CXX stage2_unix/obj/libcxx/src/filesystem/cxx_static.filesystem_clock.o
[19/31] CXX stage2_unix/obj/libcxx/src/filesystem/cxx_static.directory_entry.o
[20/31] CXX stage2_unix/obj/libcxx/src/filesystem/cxx_static.directory_iterator.o
[21/31] CXX stage2_unix/obj/libcxx/src/filesystem/cxx_static.operations.o
[22/31] CXX stage2_unix/obj/libcxxabi/src/cxxabi_shared.cxa_demangle.o
ninja: build stopped: subcommand failed.
Command '['ninja', '-C', 'out/gn']' returned non-zero exit status 1.