[clang] [clang] [MinGW] Set a predefined __GXX_TYPEINFO_EQUALITY_INLINE=0 for… (PR #96062)

[Martin Storsjö via cfe-commits]

mstorsjo wrote:

> Do you already know in which Clang versions this will be fixed? Also thx for fixing this 👍

The fix will be in the upcoming 19.x which is going to release candidates in August and might be released in September/October. (Although, downstreams may pick it up and backport the patch to earlier releases - msys2 does this if the fix is relevant to them.)

https://github.com/llvm/llvm-project/pull/96062