[clang] [compiler-rt] [lldb] [llvm] [Support] Remove terminfo dependency (PR #92865)

[via cfe-commits]

gulfemsavrun wrote:

We started seeing the following issue after this patch in our Clang toolchain builders: 
```
1448/1517](45) Linking CXX executable unittests/LineEditor/LineEditorTests
FAILED: unittests/LineEditor/LineEditorTests 
: && /b/s/w/ir/x/w/cipd/bin/clang++ --sysroot=/b/s/w/ir/x/w/cipd/linux -stdlib=libc++ -fPIC -fno-semantic-interposition -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 -Wno-comment -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -ffat-lto-objects -ffile-prefix-map=/b/s/w/ir/x/w/llvm_build=../llvm-llvm-project -ffile-prefix-map=/b/s/w/ir/x/w/llvm-llvm-project/= -no-canonical-prefixes -O3 -DNDEBUG -static-libstdc++ -stdlib=libc++ -static-libstdc++ -fuse-ld=lld -Wl,--color-diagnostics -ffat-lto-objects    -Wl,--gc-sections unittests/LineEditor/CMakeFiles/LineEditorTests.dir/LineEditor.cpp.o -o unittests/LineEditor/LineEditorTests  lib/libLLVMLineEditor.a  lib/libLLVMSupport.a  lib/libLLVMSupport.a  -lpthread  lib/libllvm_gtest_main.a  lib/libllvm_gtest.a  -lpthread  /b/s/w/ir/x/w/libedit_install/lib/libedit.a  lib/libLLVMSupport.a  -lrt  -ldl  -lpthread  -lm  /b/s/w/ir/x/w/zlib_install_target/lib/libz.a  /b/s/w/ir/x/w/zstd_install/lib/libzstd.a  -pthread  lib/libLLVMDemangle.a  -lpthread && :
ld.lld: error: undefined symbol: tgetent
>>> referenced by terminal.c
>>>               terminal.o:(terminal_set) in archive /b/s/w/ir/x/w/libedit_install/lib/libedit.a
```
https://logs.chromium.org/logs/fuchsia/buildbucket/cr-buildbucket/8747030306803673361/+/u/clang/test/stdout

https://github.com/llvm/llvm-project/pull/92865