kc3-lang/libffi

2024-10-24T18:26:58

Fix testsuite for C23 `va_start` (#861) In the C23 revision of the C standard, `va_start` ignores its second argument, which is no longer required (previously the last named function parameter - which the compiler knows anyway, so it's redundant information). This has the consequence for the libffi testsuite, when making GCC default to `-std=gnu23`, of making two tests fail with warnings about an unused function argument (only passed to `va_start` and not otherwise used). Fix those test failures by explicitly casting the argument to `void`.