Merge branch 'fix-crash-on-non-enabled-language-features' into release-3.9

Source/cmMakefile.cxx

Tests/RunCMake/target_compile_features/CMakeLists.txt

Tests/RunCMake/target_compile_features/RunCMakeTest.cmake

.../RunCMake/target_compile_features/alias_target-stderr.txt

Tests/RunCMake/target_compile_features/alias_target.cmake

...nCMake/target_compile_features/cxx_not_enabled-result.txt

...nCMake/target_compile_features/cxx_not_enabled-stderr.txt

Tests/RunCMake/target_compile_features/cxx_not_enabled.cmake

...nCMake/target_compile_features/imported_target-stderr.txt

Tests/RunCMake/target_compile_features/imported_target.cmake

.../RunCMake/target_compile_features/invalid_args-stderr.txt

Tests/RunCMake/target_compile_features/invalid_args.cmake

...get_compile_features/invalid_args_on_interface-stderr.txt

...e/target_compile_features/invalid_args_on_interface.cmake

.../target_compile_features/no_matching_c_feature-stderr.txt

...CMake/target_compile_features/no_matching_c_feature.cmake

...arget_compile_features/no_matching_cxx_feature-stderr.txt

...ake/target_compile_features/no_matching_cxx_feature.cmake

Tests/RunCMake/target_compile_features/no_target-stderr.txt

Tests/RunCMake/target_compile_features/no_target.cmake