#define PERL_ARGS_ASSERT_GP_DUP \
assert(param)
-PERL_CALLCONV MAGIC* Perl_mg_dup(pTHX_ MAGIC *const mg, CLONE_PARAMS *const param)
+PERL_CALLCONV MAGIC* Perl_mg_dup(pTHX_ MAGIC *mg, CLONE_PARAMS *const param)
__attribute__warn_unused_result__
__attribute__nonnull__(pTHX_2);
#define PERL_ARGS_ASSERT_MG_DUP \