[compiler-rt] [CFI] update ignorelist to work with libstdc++ make_shared (PR #118599)

[Fangrui Song via llvm-commits]

MaskRay wrote:

`-fsanitize=cfi` isn't a widely used option. The few users I know use libc++. `-fsanitize=cfi` requires LTO. Can you file a https://gcc.gnu.org/bugzilla/ PR to get this tracked?

https://github.com/llvm/llvm-project/pull/118599