dongjianqiang2 wrote:

> GCC's default spec file for Linux does not say how `-export-dynamic` 
> translates to ld `-export-dynamic`.
> 
> I think ld `--export-dynamic` is exclusively caused by `-Wl,--export-dynamic` 
> or `-rdynamic`. Do you have any example of `gcc -export-dynamic` uses?
> 
> > clang splits -export-dynamic into "-e" and "xport-dynamic"
> 
> This behavior simulates GCC but the uses seem extremely rare or not used at 
> all. We probably should just reject `-exxx`: #72804



https://github.com/llvm/llvm-project/pull/72781
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