forked from OSchip/llvm-project
d0fcdcd28f
When the __config_site header is generated, but LIBCXX_HAS_MERGED_TYPEINFO_NAMES_DEFAULT wasn't specified, _LIBCPP_HAS_MERGED_TYPEINFO_NAMES_DEFAULT would be defined to 0, which was the NonUnique RTTI comparison implementation. The intent was to use the Unique RTTI comparison implementation in that case, which caused https://llvm.org/PR45549. Instead, use a proper "switch" to select the RTTI comparison implementation. Note that 0 can't be used as a value, because that is treated the same by CMake as a variable that is just not defined. Differential Revision: https://reviews.llvm.org/D80037 |
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